I will mark as brainly please answer

Answer:

Brown eyed genotype: Aa (eterofzygous) or AA (homofzygous)

The genotypes derived from the cross are: AA, Aa, Aa, aa

The phenotypes are: 3 with brown eyes and 1 with blue eyes (aa)

The phenotypic ratio is 3:1 (brown eyes: blue eyes) and the genotypic ratio is 1:2:1 (dominant homozygous: heterozygous: recessive homozygous).

In humans, the allele for brown eyes (B) is dominant over the allele for blue eyes (b). Heterozygous individuals, who carry one copy of each allele (Bb), will have brown eyes.

When two heterozygous brown-eyed individuals (Bb) cross, the possible genotypes of their offspring are:

BB (brown eyes): 25% chance (homozygous dominant)

Bb (brown eyes): 50% chance (heterozygous)

bb (blue eyes): 25% chance (homozygous recessive)

So, the genotypic ratio of the offspring is 1:2:1 (BB:Bb:bb).

As for the phenotype, the only possible one is brown eyes and it occurs in 75% of the offspring (25% BB + 50% Bb)

Therefore, the phenotypic ratio of the offspring is 3:1 (brown eyes: blue eyes)

It's worth noting that while this is the typical outcome of crosses involving the eye color genes, it's not universally accurate, as other factors and genes might have an influence on the phenotype. Additionally, in reality, eye color is a complex trait and many other genes are involved not just B and b, so the dominance is not always that clear.

Learn more about crossing over, here:

https://brainly.com/question/27256451

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Answer:

Quick answer: Cold front

Explanation:

Cold fronts are less likely to be humid and carry rain clouds. Hope this can help you!

Answer:

Hi! I think the best awnser is warm fronts.

Explanation:

Cold fronts are usually extreme thunderstorms, while warm fronts are more slow and fog like. Warm fronts are calm and clear because it's not as dense or powerful as cold fronts.

Answer:

Explanation:

The scarcity of natural examples is due to the fact that there are population controls due to a limiting amount of resources such as food, light, shelter, water as well as to factors such as predation, climatic change, and disease.

Answer:

In the real world, with its limited resources, exponential growth cannot continue indefinitely. Exponential growth may occur in environments where there are few individuals and plentiful resources, but when the number of individuals gets large enough, resources will be depleted and the growth rate will slow down.

Explanation:

Answer:

a

Explanation:

Answer:

The correct answer is "A. DNA". Nucleotides are the parts or links that constitute nucleic acids and DNA is a nucleic acid that stands for Deoxyribonucleic Acid. It does not matter if the sample studied is from a silk moth or other species; the DNA strand can only be represented by the letters A, C, G, and T. In this case, the DNA sequence is represented by CAGACT.

Explanation:

Answer:

the answer to your problem is A

Answer:

Female

Have a great day!

Answer:

male

Explanation:

the last two chromosomes the x is bigger than the y which shows that it's a male if it was a female both xy would be the same height

Answer:

If green house gas emissions do not decrease the globe will increasingly get warmer. The sun's heat enters the atmosphere, some heat will escape, some will be trapped. Carbon dioxide causes the heat to remain in the atmosphere. Without carbon dioxide Earth would very cold, but with the use of fossil fuels and other unsustainable resources we are releasing too much carbon dioxide in the atmosphere. This is causes way too much heat to remain trap. And this is what is causing global warming

Answer:

I really don’t know to be honest

Explanation:

Answer:

all of them apply

Explanation:

In my opinion all of them apply (except the 4th one). Ecosystems can be small, big, have living and non-living parts and they are made of biomes. Not only can ecosystems vary in size, but they can also differ in just about every imaginable biotic or abiotic feature.

Answer:

a. Regeneration is the answer

Answer:

Among the best-known techniques are radiocarbon dating, potassium–argon dating and uranium–lead dating. By allowing the establishment of geological timescales, it provides a significant source of information about the ages of fossils and the deduced rates of evolutionary change.

Explanation:

- Eijiro

Answer:

100 watt

Explanation:

In parallel the 100w bulb will glow brighter.

The 100w bulb has a lower resistance of the two. That’s why it uses more power normally.

In series, the same current must flow through the two bulbs. And beacuse the power in each bulb is proportional to the resistance, keeping the current constant, the bulb with the highest resistance will glow brightest.

Ignoring the effect of the heat if the filaments. As the resistance in the glowing wire increases with temperature, the bulb with the highest resistance will glow proporitionally more than the power difference suggests. Likely the 100w bulb will not glow at all.

Answer:

B

Explanation:

lipids is just another word for fats. the most basic form of fats are fatty acids, and glycerol is another building block of types of glycolipids

Answer:

Phylum

Explanation:

Just look for the one word that's repeated throughout all 4 animals' column, then look to the left and pick the taxon it belongs to.

Answer:

A polymer is a bunch of monomers put together in simplest terms.

Answer:

The correct answer is - carbon cycle.

Explanation:

During the photosynthesis process, all plants consumed carbon dioxide from the atmosphere and sunlight to generate or produce glucose a biological fuel required for building structural components and produce energy. It forms the foundation of the carbon cycle.

Consumption of carbon dioxide is part of the carbon cycle. These biological fuels used in another process called cellular respiration that releases carbon dioxide into the atmosphere. Thus, the carbon cycle and photosynthesis both are interdependent.

Answer:

Light microscopes can be used to look at live specimens.

Explanation:

You cannot use an electron microscope to look at live specimens because the process of preparation will kill the specimen.

Answer:

Yes.

Explanation:

Our perception of  stained glass changes with the light because light is the main thing which allows us to see the colour of stained glass. Light has several colour but we can see them when it pass through a specific medium such as prism. The stained glass also act as a prism which allow us to see different colour when the light passes through this glass so we can say that light is responsible for the appearance of colour.

Answer:

reactents occur when things go into a different state when something happens to them like reacting to a situation

Explanation:

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Answer:

D

Explanation:

plz answer my question

Answer:

It is even common for scientists to insert genes into an organism from an entirely different organism.

Explanation:

your answer is false. have a good day!

Answer:

B

Explanation:

tell me if I'm wrong but your welcome