You find an individual that is xxy. this genotype could only be the result of nondisjunction in meiosis ii of the father. The statement is False. An individual with an XXY karyotype is said to have Klinefelter syndrome.
It is a genetic condition in which a male has an extra X chromosome, resulting in a total of 47 chromosomes instead of the usual 46. Klinefelter syndrome can be caused by nondisjunction in either meiosis I or meiosis II, and it can occur in both the father and the mother.
Nondisjunction is a failure of homologous chromosomes to separate properly during meiosis. This can result in gametes with an abnormal number of chromosomes.
In the case of Klinefelter syndrome, nondisjunction can result in an egg or sperm cell with an extra X chromosome. If this gamete is fertilized by a normal gamete, the resulting zygote will have an XXY karyotype.
Klinefelter syndrome is a relatively common genetic condition, affecting about 1 in 500 males. It is characterized by a number of physical and developmental features, including tall stature, small testes, infertility, and learning disabilities.
Treatment for Klinefelter syndrome is typically supportive and may include hormone therapy and counseling.
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All multicellular algae are what?
Answer:
Algae (singular: alga) are photosynthetic, eukaryotic organisms that do not develop multicellular sex organs. Algae can be unicellular, or they may be large, multicellular organisms.The multicellular algae develop specialized tissues, but they lack the true stems, leaves, or roots of the more complex, higher plants.
Explanation:
How would you define informed consent?
[Type answer here]
About how much of the solar energy that reaches Earth’s atmosphere is absorbed by the atmosphere?(1 point)
one-fourth
three-fifths
three-fourths
one-tenth
About three-fourths of the solar energy that reaches Earth’s atmosphere is absorbed by the atmosphere.
What is Solar Energy?Solar energy is defined as the energy produced by the sun and is the major
source of energy on earth. It is beneficial to plants in the ecosystem.
The solar energy is absorbed by the atmosphere through compounds such
as:
Water vapor Dust OzoneThese substances absorb about 71 percent of the solar energy which is
approximately equivalent to three-fourths of it.
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To where does carbon dioxide go?
Drag the tiles to the boxes to form correct pairs.
Match the parts of fruits.
The form correct pairs can be matched with the parts of fruits as;
Mesocarp- flesh stuff inside Endocarp- papery part of seed Exocarp-skin of the fruitWhat is pericarp and endocarp?The epicarp, which is the outermost layer, the mesocarp, which is the middle layer, and the endocarp, which is the inner layer enclosing the ovaries or the seeds, are the three separate layers that make up the pericarp in fleshy fruits.
The fruit's exterior surface is made up of the exocarp, the fruit's top layer. The tissue between the exocarp and endocarp is called the mesocarp. The innermost layer, called the endocarp, is situated just outside the seed coat.
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What are Hox genes?
A. genes that can produce large changes in adult animals during the embryological development
B. genes that are most often used to calculate a molecular clock
C. genes that have never gone through the process of crossing over
D. duplicate genes that are always responsible for speciation
Answer:
a
Explanation:
I haven't heard of them
Answer:
A.
Explanation:
Hox genes encode and correct positions of body structures making sure they form in the correct places in the body.
What soil horizon is the most important for the growth of plants (agriculture) ?
What are some agents of mutation that can affect the genes of humans? (Choose all that apply)
failure of repair by ligase
codon errors
poor nutrition
ionizing radiation
Answer: The correct answers are "ionizing radiation", "codon errors" and "failure of repair by ligase"
Explanation:
I took the test
Some agents of mutation that can affect the genes of humans are ionizing radiation and codon errors as well as failure of repair by ligase.
What is genetics?Genetics has been known as the study of the heredity as well as the variation of the inherited the characters and the genetic properties and the organism's feature and the characteristics. It has been also known as the branch of biology that has to deal with the study of genetic variation, genes, and the heredity in the organisms.
The main function of the DNA has to carry the information from one generation to the another generation this has been the reason due to which DNA has been also known information molecule.
The main function of mRNA has to work as the immedieter between the protein and DNA which has been utilised by ribosome for the process of direct synthesis of protein, and the function of tRNA has to carry the accurate amino acid to the proteins synthesis site which takes place in ribosome.
Therefore, Some agents of mutation that can affect the genes of humans are ionizing radiation and codon errors as well as failure of repair by ligase.
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(GIVING BRAINLIEST!!)
Due to altitude, you might find snow here during the summer months.
A) By a lake
B) In the forest
C) In the ocean
D) On a mountain
Answer:
D
Explanation:
Since the temperature is colder at a higher altitide you can use that knowledge to think about how high these places are relative to eachother. You can then take the highest one for your answer
Green anoles predominantly thrived on the full of greenery and less competitive island and have developed shorter legs and bigger bodies, while brown, long-legged, small-bodied anoles thrived on the treeless and competitive mainland. Scientists hypothesized that speciation (2 new species) occurred. Explain how that happened using evidence provided and what you know about speciation.
Answer:
Anolis is involved in the two green and brown species of anole speciation processes. Speciation is the process caused by evolution that results in the development of collective genetic changes during a period of time due to adaption or geological or environmental conditions.
The evolution of these two species is due to the difference of the niche or geological difference likewise here the niches of both green and brown Anoles among species in relative size as well as color and pattern.
What is involuntary muscle
Answer:
involuntary muscles can be defined as the muscles that functions or contracts without conscious control and are controlled by the autonomic nervous system.
Answer:
involuntary: A muscle movement not under conscious control e.g. the beating of the heart.
All geologic eras are about the same number of years.
True or false
Answer:
false
Explanation:
What is the yellow structure, and what role does it play in a cell??
Answer:
Storage of fat
Explanation:
I am very sorry if I'm wrong ✿✿✿
I neeed helppppppp
Chemical Weathering 5 facts about it
Answer:
5 Facts
Explanation:
1. When it comes to chemical weathering, it’s all about chemistry. By looking at the term “chemical weathering,” you can see that a chemical reaction causes something to break down or “weather.” That “something” is rocks and minerals.
2. In chemical weathering, rocks and minerals are reacting to acids, oxygen, carbon and water. That’s why no two rocks ever look exactly the same. It’s also the reason that we have those awesome looking caves and unique rock formations all over the world.
3. While chemical weathering creates nifty formations, the way it breaks down rocks also causes fractures in ancient structures like the Great Sphinx of Egypt. It also causes the surface to break down on gravestones.
4. Chemical weathering types can work separately, but they often work together to create landforms and break down minerals.
5. Acid rain caused by pollution such as factory and car exhaust is another agent of chemical weathering.
the nose produces a sticky material called mucus, which is moistens the air and traps particles true or false
Answer:
True
Explanation:
It traps the particles and stops them from reaching your lungs and harming them.
How is passive transport different from active transport?
A) Passive transport is substances moving from HIGH concentration to LOW concentration.
B) Passive transport requires energy input.
C)Passive transport happens regardless of concentration gradient.
D) Passive transport is substances moving from LOW concentration to HIGH concentration.
ASAP
Answer:
A
Explanation:
Passive transport does not require energy. The substances follow the concentration gradient, meaning they go from high to low. Active transport goes against the concentration gradient. Substances go from low to high, so it requires energy.
Yalll are smart right well I am give you 50 POINT lol you have to do this correctly :3
Answer:
Top to bottom: 5, 3, 2, 4, 1
Explanation:
I'll take a shot! Here I go!
5 (Sun) = top; we get all our energy from the sun
Then 3 (plants); plants can convert sunlight into food for themselves via photosynthesis
Then 2; we're talking about herbivores that eat plants, right?
Then 4; these are probably~ carnivores
Then 1; when a living thing dies, these guys consume the corpse and return the energy to the ecosystem
Have a great day!
Answer:
Sun
Primary Producers
Primary Consumers
Secondary Consumers
Decomposers
Explanation:
Energy coming from the sun is converted into chemical energy (or glucose) by plants. Primary consumers (herbivores) eat those plants and gain the energy they produced. Secondary consumers (carnivores probably) eat the primary consumers and gain that energy. Then they die and decomposers (fungi) return their energy into the soil.
Can some one help???
Answer:
what is it you need
Explanation:
PLZ HELP! WILL MARK YOU BRAINLIEST!
Which of the following are associated with the integumentary system?
a. helps support the body
b. encloses internal body structures
c. site of many sensory receptors
d. melanin production
Answer:
melanin production
Explanation:
it occurs in the hair or skin
which of these presents ab ethical issue associated with genetic testing on humans?
Answer:
In health care, genetic testing presents several ethical challenges. Legislation is in place or is being developed to limit access to genetic information, so that employers or insurers cannot discriminate against individuals because of their genotypes.
Explanation:
Answer:
The answer choices were:
Explanation:
A. Genetic testing could cause harmful mutations.
B. Genetic testing could improve the diagnosis of disease.
C. Genetic testing could cause job discrimination by revealing health risks.
D. Genetic testing could cause ecosystem damage by accelerating evolution.
What does the term mutation mean in regards to human genetics?
Answer:
A mutation is a change in a DNA sequence. Mutations can result from DNA copying mistakes made during cell division, exposure to ionizing radiation, exposure to chemicals called mutagens, or infection by viruses.
Explanation:
A mutation is a change in a DNA sequence
Why is dissolving salt in water a physical change?
Answer:
Allowing the water to evaporate will return the salt to a solid state. ... It has not combined with the water to cause a chemical reaction.
What are the two factors that ultimately decide what organisms can live in an area?
1 temperature and oxygen
2food and water
3food and oxygen
4water and oxygen
5water and temperature
Answer: 2. Food and water
Explanation: Good luck! :D
Please can any answer this for me.
it helps in breathing
just a beginner
To become larger in size in a living thing is called
Answer:
Growing of organisms is the process of being larger in size
Answer:
Growth or u can say growing
Chytrids have some unique characteristics that are different from the other groups of fungi. What characteristics make them unique? Check all that apply.
Their spores are produced in sac-shaped structures.
Their spores are produced in club-shaped structures.
Their reproductive cells have flagella.
Their reproductive cells have several nuclei.
They live in wet places.
They live in dry places.
Answer:
3 & 5 or C & E
Explanation:
❌ Their spores are produced in sac-shaped structures.
❌Their spores are produced in club-shaped structures.
✔ Their reproductive cells have flagella.
❌ Their reproductive cells have several nuclei.
✔ They live in wet places.
❌ They live in dry places.
edge 2021
Answer:
3 & 5 or C & E
Explanation:
✔ Their reproductive cells have flagella
✔ They live in wet places.
Time4Learning
3. The picture on the right shows the sequence of nitrogen bases on part
of a DNA strand. Which string of letters below represents the nitrogen
bases in the order they would pair up with this part of the DNA strand?
A. C-T-G-C-A
B. G-A-C-G-T
C. A-G-T-A-C
(the picture is T-C-A-T-G)
Answer: C
Explanation: Thymine pairs with Adenine and Cytosine pairs with Guanine.
Which organelles must work together to provide food and energy to a plant cell?
Answer:
Cells are membrane-bound groups of organelles that work together to allow it to function. Some of the major organelles include the nucleus, mitochondria, lysosomes, the endoplasmic reticulum, and the Golgi apparatus. Plant cells also include chloroplasts, which are responsible for photosynthesis.
Explanation:
Hope this helps have a wonderful day! <3
Nonresistant starch is normally completely digested, and then absorbed into the bloodstream through the wall of which digestive organ? (From Gizmo)
Options (Only choose one):
stomach
large intestine
small intestine
esophagus
1. How many kinds of nitrogen bases does a DNA molecule have?
A. 2
B. 3
C. 4.
D. 1
Answer:
4.
Explanation:
Adenine, Thymine, Cytosine, and Guanine
(In RNA Thymine is replaced with Uracil)