Directions: Consider a pedigree that is tracking an autosomal recessive trait, where two recessive alleles (tt) result in the inability to taste a chemical known as PTC. The ability to taste PTC is determined by the presence of a dominant allele (T). Complete the missing boxes in the chart. The first row has been done for you as an example!


*Note: The ability to taste PTC may be more complex than a simple gene trait.

Answers

Answer 1

Answer:

I think this should be the chart you were interested in...

Explanation:

                                          Individual             Shape in              shaded

                                          phenotype           pedigrees

Male with gen. TT             PTC taster             square                No

Male with gen. Tt              PTC taster             square                No

Male with gen. tt               Non-taster             square                Yes

Female with gen. TT        PTC taster              Circle                  No

Female with gen. Tt         PTC taster              Circle                  No

Female with gen. tt          Non-taster              Circle                 Yes

*gen- genotype


Related Questions

Each lunar cycle has one full moon, in which the relative positions of Earth, the sun, and the moon form a straight line. Which list represents the positions of Earth, the sun, and the moon during a full moon?
Group of answer choices

Answers

Answer:

The moon is on the opposite side of earth as compared to the sun

Explanation:

It reflects the suns light like a mirror onto earth and also you should know this

Answer:

When Earth, the sun, and the moon align to form a right angle, which type of tides takes place?

Explanation:

Each pair of clay balls represents two planetesimals. If each planetesimal is composed of the same material and is separated he the same distance, which pair experiences the frayed gravitational attraction?

Answers

Answer:

Every object that has mass exerts a gravitational pull on the objects around it. Depending on how big the object is, more the pull it exerts will be in magnitude. A massive object such as the Earth will inevitably overwhelm all other gravitational attraction caused by objects on it. In this case of planetesimals, even though the materials are the same, the mass must be different for one to experience a greater gravitational attraction than the other.

Hope that answers the question, have a great day!

Answer:

Its the one on the top right corner

Explanation:

i just took the edmentum test and it was correct

Scientists have discovered homeotic genes in many kinds of organisms, including fruit flies, mice, and humans. These homeotic genes regulate gene expression and control patterns of development in specific regions of young embryos. Molecular biologists have learned that homeotic genes share a very similar nucleotide sequence, which controls the development of similar portions of fly and mouse embryos. They have found a similar set of genes in humans, which also control corresponding regions of the developing human embryo.

Which of the following statements summarizes a conclusion based upon the evidence contributed by molecular biologists?

Homeotic Genetics

A.
Patterns of development among different animal species did not evolve from a common ancestor.
B.
Humans evolved from flies.
C.
Similar patterns of development increase an organism’s likelihood of surviving and reproducing.
D.
Fruit flies, mice, and humans provide evidence of divergent evolution.

Answers

Answer:

D

Explanation:

The presence of homeotic genes shows that all of the listed organisms (mice, flies, humans etc) all evolved from a common ancestor.

(A) is wrong as the evidence of the same gene existing in vastly different species shows the evolutionary relationship between these organisms.

(B) is wrong as there is insufficient evidence to prove that flies are the precessor of humans. We do know that flies and humans have evolved from a common ancestor though.

(C) is non-conclusive as the passage said nothing about the gene allowing the species to have a higher chance of surviving and reproducing. Hence, an errornous claim.

(D) is the correct answer as from a common ancestor, all of the listed organisms undergo and accumulates mutation, undergoes selective pressures that resulted in divergent evolution (aka branching evolution that results in many noval species forming) after millions of years.

what is the highest summer temperatures at 7,500 feet in elevation

Answers

93•F in Mexico City.

Isn't evolution just a theory that remains unproven?

Answers

Answer:

A scientific theory stands until proven wrong -- it is never proven correct. The Darwinian theory of evolution has withstood the test of time and thousands of scientific experiments; nothing has disproved it since Darwin first proposed it more than 150 years ago.

Explanation:

Answer:

evolution is only marked by chance, without any orientation, neither necessary nor probabilistic.

Explanation:

A scientist wants to investigate the effect of water temperature on fish respiration. He takes one goldfish and places it in 100 ml of warm water, puts another goldfish in 100 ml of cold water and puts another one in 100 ml of room temperature water. He collects data by counting the respiration of each fish for 1 minute What are the constant variables (Fixed Variables)?

Answers

Answer:

fish because they put a goldfish in each one and only changed the type of water.

How do jellyfish swim??? How do they glow???
Do they evaporate???

Answers

Jellyfish actually do not swim.
They squeeze their body basically creating a force of water underneath them to move upwards
Usually they will swim with the tide or current of the water!
So if the water is flowing to the left
They will move left
This is because they have to bone structure to help them move where they wanna go

Leading into the next question... they actually do evaporate most times but not often
If left out in the sun, they can evaporate due to extreme sunlight because they are 98% water!

And jellyfish glow due to this bio molecule thing. I forgot what it’s called but it reflects on to them and recta to oxygen

Hope that HELPEDED

Answer: Most jellies use a form of jet propulsion to move through seawater. ... This is what most jellyfish do. They squeeze their bodies in order to push jets of water from the bottom of their bodies to propel the jellyfish forward. Now check out another method of jellyfish propulsion, used by the comb jellyfish.....Aequorea jellies glow with a bioluminescent protein used in the biotechnology industry. ... Bioluminescence is light produced by a chemical process within a living organism. The glow occurs when a substance called luciferin reacts with oxygen. This releases energy, and light is emitted....Jellyfish seem to blend in with their environment, undulating gently with the ocean's currents, and with good reason: Their bodies are made up of as much as 98 percent water, says How Stuff Works. When they wash ashore, they can disappear after just a few hours as their bodies evaporate into the air.

Explanation:wow look how dumd I am -_-

Which group of organisms in the aquarium contains the largest amount of energy? a) primary consumers, b) secondary consumers, c) producers, d) herbivores

Answers

Answer:

b) secondary consumers.  This is because they are at the top of the food chain

please give brainliest! :)  

I hope this helped

How many amino must be obtained in the diet because they cannot be made by the body ? A 2 ,B 5,C 10,D 20

Answers

Answer:

D: 20

Explanation:

The body needs 20 different amino acids to maintain good health and normal functioning. Hope this helps!

what is biogeogrphic isolation

Answers

Answer:

biogeographic isolation is the separation of members of a species through geographical or biological forces.

Explanation:

WILL MARK BRAINLIEST!!

write in your own words it doesn't need to be long!!

Answers

Answer:

If we look at the drug OxyContin we can see that if someone has built a tolerance two things would occur their current dose would leave them feeling as if they need more and the tolerance could lead to abuse in order to get the pain relieving benefits. Withdrawal are the effects that happen when someone builds a tolerance. These symptoms could include dizziness, nausea, clammy skin, etc. The medication user might have built a tolerance and is feeling the effects of withdrawal because they need more of the medication for it to have an effect on their pain levels as well as reduce the withdrawal symptoms. Withdrawal is the bodies response to no longer having the medication consistently equal in the blood brain exchange.

Explanation:

WILL MARK BRAINIEST
What part of the brain is highlighted in the diagram below?


Occipital lobe
Temporal lobe
Frontal lobe
Parietal lobe

Answers

Answer:

I believe it is the Parietal lobe

Explanation:

It knows reading, sensation, body oreintation and knowing left from right.

The human brain just like most other mammals has the same basic structure. But it is better developed than any other mammalian brain. The part of the brain highlighted in the diagram below is Parietal lobe. The correct option is D.

What is brain?

The brain along with the spinal cord constitutes the central nervous system. It is responsible for the thought, interpretation and control of our body movements. It is located within the skull which provides frontal, lateral and dorsal protection.

The human brain controls and coordinates all the physiological functions to cognitive abilities. It performs by sending and receiving signals through neurons to different parts of the body.

The parietal lobe rests near the top and center of the cerebral cortex, that is just behind the frontal lobe and above the occipital and temporal lobes. The parietal lobe is vital for the sensory perception and integration.

Thus the correct option is D.

To know more about brain lobes, visit;

https://brainly.com/question/29763788

#SPJ7

Brainliest for first answer. ONLY CORRECT ANSWERS!!!!!

Answers

Answer:

Volume of rectangular prism = 81 feet³

Explanation:

Volume of rectangular prism is same as volume of cuboid

Length = 9 ft

Width = 4 ft

Height = 2 [tex] \frac{1}{4} [/tex] ft = [tex] \frac{9}{4} [/tex] ft

Volume of rectangular prism = Length × Width × Height

= 9 × 4 × [tex] \frac{9}{4} [/tex]

= 36 × [tex] \frac{9}{4} [/tex]

= [tex] \frac{324}{4} [/tex]

= 81 feet³

The head should be positioned in the of the body.

Answers

Answer:

The head should be positioned on top of the neck.

or The head should be positioned on top of the body

Explanation:

Scientists are concerned about the rising levels of carbon dioxide (CO 2). What trait about this gas makes it so concerning to scientists?

Answers

Answer:

It is a greenhouse gas i.e. Its ability to contribute to Global Warming.

Explanation:

Carbondioxide (CO2) is one of the world's colorless, odorless and tasteless gases in air. It is the major product of cellular respiration by living organisms. The increase in level of CO2 in the atmosphere is a major concern to scientisits because they have the ability to trap heat, hence, called a GREENHOUSE GAS.

CO2, in conjunction with other gases like methane, are responsible for keeping the earth warm as they help trap heat energy from the sun. However, an increase in the level of these greenhouse gases is contributing to what is called Global Warming, which is the gradual increase in the temperature of the earth's atmosphere.

Which is an adaptation?
A. A monkey learns to avoid electrical shocks.
B. A mouse knows where food is stored in a house.
C. A person learns to drive a car.
D. A bird has feathers that help it fly farther.

Answers

Answer:

D

Explanation:

The rest of the options are learned, and are not adaptations.

Adaptations help an organism survive in an environment.

hope this helps :)

A. A monkey can begin not knowing hot to deal with electric shocks, whereas it may adapt in many possible ways to deal with it for future generations of its breed.

Explain the relationship between the sensors, control center communication systems and targets when maintaining homeostasis.

Answers

Answer:

Homeostasis es la constancia del Medio interno, aún frente a las variaciones del Medio externo

(Cannon). El Medio interno se relaciona con la complejidad de los seres vivos.

Según Teoría de la Evolución, el primer ser vivo surgió en el mar, formado por una sola célula, la cual

intercambiaba nutrientes y desechos metabólicos con su Medio externo.

De los Unicelulares evolucionaron los Pluricelulares, los cuales debían solucionar el problema del

intercambio de nutrientes, oxigeno y desechos de las células que se encuentran en su interior. De esta

forma se desarrolló un ambiente interno, que permitió la vida libre e independiente.

El Medio interno está representado por el Líquido extracelular que rodea a las células de los Pluricelulares,

con una composición estable que permite los intercambios metabólicos y la comunicación celular.

El 60 % del peso corporal humano es agua, la cual se encuentra distribuida en un 40% del peso corporal en

el Líquido intracelular y en un 20% en el Líquido extracelular.

Del total del Líquido extracelular un 80% corresponde al Líquido intersticial y un 20% al Plasma sanguíneo.

El Líquido intersticial o tisular debe mantenerse constante, para lo cual se requiere la ayuda del

Sistema circulatorio.

El Plasma sanguíneo intercambia oxigeno y nutrientes, dióxido de carbono y desechos con el Líquido

extracelular a nivel de los Capilares sanguíneos, debido a lo cual en ambos líquidos la concentración de

solutos es igual, a excepción de las proteínas.

Según Starling, existe un equilibrio entre el volumen de líquidos que sale del capilar arterial y el que

vuelve por los capilares venosos.

El Líquido intracelular varía de célula a célula del punto de vista cuantitativo, guardando similitud en la

composición celular desde el punto de vista cualitativo

Explanation:

3) Scientists who have examined the fossil record have noted that some species have changed very little over long
periods of geologic time. The lack of change in such organisms is most likely because
A) the environment that they lived in remained the same, and they were well-adapted to it
B) all members of their population were genetically identical, and they lived in a rapidly changing
environment
C) there was a large amount of variation in their population, and the environment changed frequently
D) they could move between different environments when food supplies became scarce

Answers

Answer:

The correct answer is option A) "the environment that they lived in remained the same, and they were well-adapted to it".

Explanation:

One of the basis of evolution is that species that face new environmental conditions tend to develop new traits to survive. The opposite applies to species that have lived in constant environmental conditions, these species are usually well-adapted and have changed very little over long periods of geologic time. Some species of tortoises are examples of animals that had changed very little in their evolutionary history. The hard shells of tortoises is an ancient adaptation that help them to survive in constant environmental conditions.

The lack of change in organisms in some species examined by scientist is most likely because A) the environment that they lived in remained the same, and they were well-adapted to it

What is adaptation?

Adaptation can be regarded as the biological mechanism whereby organisms adjust to new environments or to changes in their current environment.

Therefore, the reason why some species have changed very little over long periods of geologic time is due to adaptation.

Learn more about Adaptation at:

https://brainly.com/question/16416932

Which organisms transform nitrogen to a form that is useful to plants

Answers

I think it’s bacteria

Almost all of the corn used for food in the world today comes from the duplication of a few selected genetic strains. Describe one benefit and one drawback of using this method.

Answers

Answer:

One benefit is the adaptability and survivability of the corn in a condition that favors this genetic strain.

They are all susceptible to almost the same unfavorable condition and lack adaptability.

Explanation:

Since all the corns have the same genetic strain, this means that they all are closely related and are probably progeny of the same long line of corn. Having the same genetic strain can be favorable if this strain has been selected to suit the conditions of their cultivation area and also to bolster resistance to some dangerous diseases.

In the case where a new condition or disease outbreak is the case, then this is a set back since the genetic strain has not been used to this new conditions. This can lead to extensive damage that may even be close to, if not lead to a complete extinction of this particular corn strain.

Answer:

The benefit is that corn plants will always yield a consistent product because farmers selected against negative genetic characteristics. However, if there’s an environmental change or the threat of a disease, there would be little genetic variation in the crop to improve its chances of survival.

Explanation:

Edmentum

what’s the daily path the sun takes to orbit the milky way?

Answers

The sun does however, revolve about a point in the centre of our galaxy. Taking entire solar system with it at a speed of 220 km/s. This period of orbit takes 225 million years. The sun revolves at about once every 25days at its equator and up to 30 days near its poles.

Which of the following is NOT one of the ways that the carbon
cycle adds CO2 to the air?
A. Cell respiration
B. Burning of fossil fuels
C. Cutting down forests
D. Industrial pollution resulting in acid rain

Answers

It think the answer is D
Because all of the other options releases CO2 in the air.

what are the two claims about living creatures made by the Theory of Biological Evolution?

Answers

Answer:Plz mark Brainliest

Explanation:

The theory of Biological Evolution makes two very bold claims about living creatures: First: All living things on earth are related. They evolved from a common ancestor. Second: The evolution of living things is powered by natural processes. Things which can be studied and understood.

Emulsification means what? MULTIPLE CHOICE.

A. The breakdown of fats

B. The breakdown of proteins

C. The breakdown of carbohydrates

D. None of the above

Answers

A. the breakdown of fats
A.the breakdown of fats

Use the drop-down menus to indicate where each endocrine system structure is located.
The thyroid, parathyroid, and thymus are located in the
The adrenals, pancreas, testes, and ovaries are located in the
The pineal, hypothalamus, and pituitary are located in the

Answers

Answer: 1. Throat

2. Abdomen

3.Brain

Explanation:


Which type of organism is Darwin's most famous example of natural
selection?

a. Monkeys
b. Finches
c. Alligators
d. Tigers

Answers

The answer is Finches

When/why matter changes its phase?

Answers

Phase changes typically occur when the temperature or pressure of a system is altered. When temperature or pressure increases, molecules interact more with each other. When pressure increases or temperature decreases, it's easier for atoms and molecules to settle into a more rigid structure

Distinguish ways surface waters can be
polluted. Why is it important to understand
how each way impacts water quality?

Answers

It can be polluted by waters bottles plastic bottles etc going into the ocean

To measure the vast distance in space ,scientists use a unit called a ______, which is how far travels in one year.
The closest star to Earth is ______.

(Look at the picture)

Answers

Answer:

light-year; the sun

Explanation:

A light-year is the distance light travels in one year. This means that a light-year is a measure of distance, and is useful on a larger scale because of its large size (light travels a pretty big distance in a year!), so light-years are used by scientists to measure the vast distance in space.

The closest star to the Earth is the Sun.

Gravity is the natural phenomenon in which all objects with mass are attracted to (or gravitate towards) one another. Since gravity is neither a measure of distance nor a star, it doesn't fit any of the answer blanks.

Light is the portion of the spectrum of electromagnetic radiation that is visible to the human eye (between infrared and ultraviolet wavelengths). Since light is neither a measure of distance nor a star, it doesn't fit any of the answer blanks.

A megameter is an instrument for determining longitude by observation of the stars. Since a megameter is neither a measure of distance nor a star, it doesn't fit any of the answer blanks.

Betelguese is a star that is part of the Orion, notable because of its brightness and size, as well as the fact that it is likely to become a supernova in less than a million years. While Betelguese is a star, it isn't the closest star to the Earth. Therefore, it doesn't fit any of the answer blanks.

Hope this helps! :)

When we study the owl’s food options, what type of ecological relationship are we observing?

Answers

Answer:

Predation

Explanation:

The owls are preying on their food, which is an example of the ecological relationship of predation in which the predator, the owl, eats the prey, the food options.

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