why is it not possible to have a recombination frequency of greater than 50

Answers

Answer 1

The maximum value of recombination frequency that can be observed is 50%. This is because genes located on the same chromosome are physically linked and tend to be inherited together during meiosis, but there is a chance that they will separate due to crossing-over.

Recombination frequency is a term used in genetics to measure the likelihood of two genes being inherited together during meiosis. It is defined as the percentage of offspring that display a recombination between two genes. Recombination frequency is used to calculate the genetic distance between two genes on a chromosome.

During meiosis, the homologous chromosomes pair up and exchange genetic material at the chiasma. The point at which the exchange occurs is called the crossover point. When the crossover point is between two genes, they are separated and inherited independently. If the genes are located far apart on the chromosome, the chance of a crossover event occurring between them is high, resulting in a high recombination frequency. However, if the genes are located close together on the chromosome, the chance of a crossover event occurring between them is low, resulting in a low recombination frequency.

Therefore, it is not possible to have a recombination frequency of greater than 50% because this would mean that the two genes are always separating during meiosis, which is not possible due to their physical proximity on the chromosome. In summary, recombination frequency is a fundamental concept in genetics that helps to understand how genetic information is passed down from one generation to another.

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Related Questions

Mitosis a single cell divides to produce two daughter cells what must happen in the original sound of the daughter cells has a complete set of chromosomes

Answers

Answer:

Explanation:

In mitosis, when a single cell divide into two daughter cell and each daughter cells have a copy of chromosomes, there must first be the copying of the chromosomes from the parent cell and after that the chromosomes are separated or there is separation of chromosomes into each of the daughter cells.

Put "Gene Pool" in a sentence

Answers

Answer:

A gene pool is a collection of all the genes in a population. This can be any population - frogs in a pond, trees in a forest, or people in a town.

Explanation:

An example of a nucleotide is?

A. cytosine, ribose, and deoxyribose
B. guanine, deoxyribose, and phosphate
C. uracil, deoxyribose, and phosphate
D. thymine, ribose, and phosphate

Answers

Answer:

B

Explanation:

A nucleotide always consists of 3 things:

1. A sugar group (either ribose or deoxyribose, ribose if the nucleotide is from RNA, deoxyribose if it is from DNA.

2. A phosphate group

3. A nitrogenous base (A/T/U/C/G) This base depends on whether you have RNA or DNA, U is only for RNA. DNA has either A/T or C/G but never U.

Explain why society has been developing different renewable resources in favor of
nonrenewable resources in the past few decades.

Answers

Answer: Society has been developing different renewable resources in favor of nonrenewable sources in the past decades because natural gas and oil has been used to much that we are running out of nonrenewable sources. So society has been trying to use solar panels, wind panels, and water.  

Explanation:

Which is the last link in the wetlands food chain?
A. Consumers
B. Predators
C. Decomposers
D. Producers

Answers

It should be C. decomposers

Answer:

BRO THE CORRECT ANSWER IS .... C) DECOMPOSTER

Explanation:

I KNOW IT IS SAME BUT STILL YOU CAN MARK ME AS BRAINIEST

how do we know that change is taking place around us ? what is the need to study change ? explain some example​

Answers

Answer:

Specialisation in the knowledge society and its need

Posted by Bernardo Lajus on Mon, 01/07/2013 - 11:54.

Contemporary society is characterized by globalization. The information and the speed with which they reach society amaze anyone who has experienced the 1980s and 1990s. Because of the technology and facilities it brings, the recipients of this information become increasingly demanding, in every way. Demanding with you, with others, with things, with everything, making the world so demanding, to the point that services and information are insufficient, exhausting, poor.

Because of this, the world specializes. The professions have gained new directions, new perspectives. The courses that were previously generic, such as engineering, law, medicine, became insufficient and were gaining tributaries. If before the general practitioners of mechanical engineering and law realized the professional demand, over the years and the evolution of society, it required professionals to become specialists, creating branches and opening possibilities.

Today, specialists, masters and doctors are essential for the rapid development of society, required everywhere. Despite the harm spawned (such as time demanded, or "knowing much about little), specialization in the knowledge society brings inegulable benefits. The creation of new jobs, the deepening of knowledge and the quality of services makes society evolve even more.

Thus, although the human being, in his individuality, is not expanding his way of knowing, but rather reducing himself to specificity, society as a whole plunges into a profound expansion of knowledge, bringing this to everyday life, from the most trivial to the most complex of works, specialization is necessary and beneficial.

Explanation:

Estimate the number of cells that belong to each phase of the cell cycle. Then, explain how you made your decision and describe what occurs at each phase of mitosis.

Answers

Answer:

well, it starts from one parent cell, every complete phase makes. at least 4 and then i. think those can multiply

Explanation:

A cell containing 20 chromosomes undergoes mitosis, each daughter cell will have 20 chromosomes
a.True
b.False

Answers

Answer:

the answer is true because a cell containing 20 chromosomes undergoes mitosis, each daughter cell will have 20 chromosomes

Which type of cell is considered the least complex?

Answers

Answer:

tissues.

organs.

organ systems.

organism.

Explanation:

Answer:

the answer would be tissues

Disadvantages of smoking

Answers

Answer:

lung cancer

Explanation:

people die everyday due to smoking so we must take action also smoking has no benifits only losses

How does the cardiovascular system deliver nutrients and oxygen to all cells in the body via the flow of blood?

Answers

The heart, blood and blood vessels work together to service the cells of the body. Using the network of arteries, veins and capillaries, blood carries carbon dioxide to the lungs (for exhalation) and picks up oxygen. From the small intestine, the blood gathers food nutrients and delivers them to every cellular.

Based on your knowledge of the relationship between CO2 and photosynthesis explain why CO2 cycles throughout the year.

Answers

Answer:

we breath in Oxygen and breath out CO2 and CO2 destroys the atmosphere

The genetic makeup of an organism or its combination of alleles

Answers

Answer:

Genotype

Explanation:

What change caused the population increases around point A?

Answers

At point A, the birth rate is much higher than the death rate hence there is an increase in the population.

What is the population?

The term population has to do with the number of organisms that live in a particular habitat at a particular time. There are two main forces that control the population of a place and this is the birth rate and the death rate.

The birth rate refers to the number of the new individual organisms that are added to the habitat while the death rate refers to the number of organisms that leave the habitat. This could be used to decipher the trend in the population as discussed below.

Given that a population in which the birth rate is far higher than the death rate would experience an explosion, such a population would now grow in leaps and bounds and it would be difficult to contain the number of individuals therein.

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What is the definition for polyploidy?

Answers

containing more than two homologous sets of chromosomes.

syngamy and triple fusion difference​

mark me as brainlest

Answers

Answer:

Üçlü füzyonda, üçüncü bir sperm çekirdeği, embriyo kesesindeki merkezi hücre ile birleşerek endospermi üretir. Eşleşme ve üçlü füzyon arasındaki temel fark, eşleşmenin bir tür üretici döllenme olduğu, üçlü birleşme ise bir tür bitkisel döllenmedir .İyi Çalışmalar..

Answer:

Syngamy: Syngamy refers to the fusion of gametes in fertilization.

Triple Fusion: Triple fusion refers to the fusion of a sperm cell with the two polar nuclei during the double fertilization in angiosperms.

Type of Fusion

Syngamy: In syngamy, a male gamete fuses with a female gamete.

Triple Fusion: In triple fusion, a male gamete fuses with the central cell.

Result

Syngamy: Syngamy produces the zygote that develops into the embryo.

Triple fusion: Triple fusion produces the endosperm cell that develops into the endosperm.

Ploidy

PloidySyngamy: The result of the syngamy is diploid.

Triple Fusion: The result of the triple fusion is triploid.

Type of Gametes

Type of GametesSyngamy: Both male and female gametes are involved in the syngamy.

Triple Fusion: Only male gametes are involved in the triple fusion.

Type of Fertilization

Syngamy: Syngamy is a generative fertilization.

Triple Fusion: Triple fusion is a vegetative fertilization.

Occurrence

OccurrenceSyngamy: Syngamy occurs in animals and plants.

Triple Fusion: Triple fusion occurs in angiosperms.

Conclusion

Syngamy and triple fusion are two types of events in the sexual reproduction of plants. Syngamy is the fusion of male and female gamete, producing the zygote. Triple fusion is the fusion of a male gamete with the central cell of the female gametophyte, producing the endosperm. The main difference between syngamy and triple fusion is the type of fusion of cells in each event.

I hope it's helpful!

Which of the following are prokaryotic cells?

A) plants

B) fungi

C) bacteria

D) animals

E) B and C only

Answers

fungi, bacteria

If I remember right, eukaryotic means there's more than one, so I believe this answer is right

The Answer is c: bacteria

Government agencies regulate most aspects of agricultural safety.
True
False

Answers

Answer:

False

Explanation:

science animal cell, please help thanKS ASAP

Answers

Answer:

a (so 6)

Explanation:

I hope this is helpful :)

PLEASE HELP IM DOING A TEST RN!!
Which of the following describes how the pollen must travel in order for pollination to occur?

Question 18 options:

. from the stigma to the anther


from an anther to the style


from an anther to the stigma


from the stigma to the pollen tube

Answers

Answer:

from an anther to the stigma

Explanation:

Answer:

Anther to stigma!

The anther is where the pollen is granulated, and the stigma is the part where they reproduce.

Help me really quick please

Answers

Answer:

a

Explanation:

potential energy is highest at its highest point

which part of the eye is sensitive to light?

Answers

Which part of the eye is sensitive to light?

Retina

sorry kalo salah

To ligth The sensitive of teh eye

A femur is a leg bone found in a human skeleton. When evaluating the human body's levels of organization, a femur is best classified as —


A.
an organ, because it is part of the skeletal system.
B.
an organ system, because it is composed of many cells.
C.
an organelle, because it is composed of many tissues.
D.
an organism, because it is part of the skeletal system.

Answers

Answer:

Option A

Explanation:

The femur is classified as an organ, because it is part of the skeletal system

The level of organization is the order that includes cells, tissues, organs, organ systems, and organisms. The femur is a leg bone which is an organ which is a part of organ system called the skeletal system.

What is skeletal system?

The basic framework of body is skeletal system, which is consists of bones, connective tissue, tendons, ligaments, etc.

The four main parts of this system include:

Bone.Ligament.Tendon.Joint.

The femur is a leg bone which is an organ that is a part of an organ system called the skeletal system.

Thus, the correct option is A.

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what is the nature of cell-walls in diatoms​

Answers

Answer:

The cell walls of diatoms are made of silica. Their cell wall construction is known as frustule. It consists of two thin overlapping shells that fit into each other such as a soap box. When the diatoms die, the silica in their cell walls gets deposited in the form of diatomaceous earth.

A student flips a light switch but the light does not turn on. Based on this
information, which inference is NOT valid? *

The light switch is broken

The elecrical wire is copper

The electrical connection is broken

The light bulb is burned out

Answers

Electrical wire is copper

Answer: the electrical wire is copper

Explanation:

state birth control methods according to Islam view?​

Answers

oral contraceptives, condoms, coitus interruptus, injections, spermicides, subdermal implants

Answer:

Writings of Muslim jurists make it clear that Islam allows for the use of reversible methods of contraception (birth control), including oral contraceptives (birth control), condoms, coitus interruptus, emergency contraception, injections, subdermal implants, IUDs, spermicides, and diaphragms.

Explanation:

A football is kicked by a player. The ball travels 50 m, to the west when it is caught by another player and that player travels 50 m, south. Create a vector diagram that shows both displacement vectors and the resultant displacement vector of the football.Use the scale of 1 cm of the graph paper = 10 m of motion.

Answers

Answer:

The football will hit the ground 2.11 seconds later.

Explanation:y = y0 + v0yt + ½ayt

2

0 = v0sin  t + ½ayt

2

0 = t(v0sin + ½ayt)

t = 0 or v0sin + ½ayt = 0

½ayt = – v0sin

=

−20sin

=

−2(18.0)sin(35.0°)

−9.8

Match each term to the appropriate description.

Answers

Answer:

Have a great day!

Explanation:

The appropriate term for each description would be ecosystem, community, population, organism, and species respectively.

Definition of ecological terms?

An ecosystem is a community of all living organisms interacting with their environment as a system.

A community is a collection of different populations of organisms.

A population is a group of organisms of the same species capable of mating.

Species are a group of organisms that is capable of breeding to produce fertile offspring.

Thus, the term for each description would be ecosystem, community, population, organism, and species respectively.

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What happens to the effenciency of the exchange of oxygen in the human body at a high altitude​

Answers

Answer:

The effiency decreases at higher altitudes

Explanation:

The higher up a person is on a mountain, the thinner the air is due to the lack of plants that can grow. An example of this is Mount Everest. At a certian point on the mountain, called the "Death Zone", the air is too thin to supply enough oxygen to the human body to survive. That's why they bring oxygen tanks with them on their adventures.


What would happen if there was too much Carbon Dioxide in the atmosphere? What if there were no processes to pull Carbon
Dioxide out of the atmosphere?

Answers

We would die because if humans take in to much Carbon Dioxide but no oxygen it would become harder to breathe CD poisoning can effect the central nervous system. The earth would turn very hot and increase the process of global warming
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According to Reynolds, whats the flaw in thinking of college graduates as birds ready to spread their wings and take flight? Enola is a waitress at a restaurant. Each day she works, Enola will make a guaranteed wage of $35, however the additional amount that Enola earns from tips depends on the number of tables she waits on that day. From past experiences, Enola noticed that she will get about $8 in tips for each table she waits on. How much would Enola expect to earn in a day on which she waits on 20 tables? How much expect to make in a day when waiting on t tables? The mid point of ST is M=(-2,3). One end point is S=(4,-2). Find the coordinates of the other endpoint. T prostate cells usually require testosterone and other androgens to survive. but some prostate cancer cells thrive despite treatments that eliminate androgens. one hypothesis is that estrogen, often considered a female, may be activating genes normally controlled by an androgen in these cancer cells. desribe one or more experiments to test this hypothesis Decide if the following is a true or false statement - explain how you know (-3.2) + (-2.8) is positive solve CORRECTLY for brainly and 20 points BRAINLIEST AND STARS 4)Suppose a circle has a diameter of 20 inches. What is its radius?A)400 inB)40 inC)20 inD)10 in 3. What might happen to the ecosystem if this population were removed? aSolve. Add, subtract, multiply or divide.Anosh collects feathers. His father started his collection by giving him 7feathers. Since then he has collected 28 more feathers. How many feathers doesAnosh have? Given the information provided, choose the most appropriate drawing technique for Scout and the reason she should use it. Scout is developing a storyboard for an animated film. She is not interested in a perfectly lifelike drawing, and simply wants to capture the form of the objects. She should use , because it best captures of an object using flowing marks that are quick and deliberate. AssignmentActiveTexas Declaration of IndependenceWhat do the Declaration's writers find shameful?the strength of the Mexican militarythe behavior of settlers in Texasthe weakness and corruption of the Mexicangovernment[The Mexican government has] been,the whole time of our connection with[shameful]...victim of (manymilitaryrevolutions, and [has] continually exhievery characteristic of a weak, corrupt,tyrannical government.-Texas Declaration of IndepeDONEIi I will give you brainliest, if you would like.Which sentence best conveys the argument in "The Case for Shelter Animals"?Pet stores sell puppy mill animals that are not well-cared for.People should rescue animals from pet stores.Animals shelter pets become beloved family members.Animal shelters treat animals in their care poorly. Can you think of another historic figure who historians could be lacking adequate information about? Who and why? Help please........... Write the product (x-7)^2 in standard form Write the inequality in words.5n 10 > 26Ten less than five times a number is greater than twenty-six.Ten less than a number is less than or equal to twenty-six.Five times n less than ten is twenty-six.Ten plus five times a number is less than or equal to twenty-six. FOUR FRIENDS SHARE 3 SHEETS OF PAPER EQUALLY.WHAT FRACTION OF A SHEET OF PAPER DOES EACH FRIEND GETS?SOLVE AND EXPLAIN - Ashanti earns $50 an hour. How much does she earn in 6 hours? PLS HELP I WILL GIVE BRAINLIEST THANK U PLSSS Radiant heat is typically found A.in empty space B.Im water C.in mountains D.in bricks