A pair of butterflies reproduces and has one thousand offspring. All one thousand of the offspring have the alleles Aa. What is the most likely combination of alleles (genotype) for each parent? Explain your answer.

Answers

Answer 1

Answer:

It is expected that each parent is homo-zygous for each trait (i.e., one parent has genotype AA and the other parent has genotype aa)

Explanation:

An F1 hybrid is the first filial generation of the progeny of distinctly different parental types. In this case, it is expected that each parent is homo-zygous for each trait, thereby 100% of all offspring will have genotype Aa (i.e., parental cross: AA x aa >> F1 = 100% Aa). On the other hand, in a cross where one parent is heterozygous for the trait (Aa) and the other parent is homo-zygous (either AA or aa), only 50% of all offspring will have genotype Aa.

Related Questions

Explain the phenomenon you observe in the diagram. Provide as many details as possible to your explanation

Answers

Answer:

reflection

Explanation:

this is what is seen on the mirror

Choose the appropriate term for each labeled part of the image. Label A Label B Label C Label D

Answers

Answer:

Label A- ocean trench

Label B- ridge

Label C- ridge push

Label D- Convection Current

Explanation:

got it correct on edge. give thanks please. <3

Explanation:

Ocean Trench

Ridge

Ridge Push

Convection Current

Glucose is a molecule that can move across the cell membrane. If the
concentration of glucose is higher outside the cell than inside the cell, then
what will happen by the process of diffusion?
Yea so what do i do?

Answers

The glucose will diffuse into the cell by the process of diffusion.
Hope it helps :)

Answer:

The right answer is B. Glucose molecules will diffuse out of the cell

Explanation:

Diffusion refers to the natural tendency of a system to homogenize the concentrations of chemical species within it.

PLS PLS PLS HHELLPP MEEE

Answers

To be perfectly honest, I'm not sure what problem 32 is asking. It seems like there's set up to a question, but the actual question itself is missing.

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For problem 33, we divide the tape's distance by its time. I'm assuming that problem 33 is using the set up info from problem 32.

Recall that

distance = rate*time

we can rearrange things to say

rate = distance/time

So that's why we divide distance over time. The tape's length is effectively the distance, more or less. Imagine that one marker on the tape travels from one end of the reel to the other. It would have to travel the length of the tape when the full tape duration elapses.

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So,

rate = distance/time

rate = (260 meters)/(180 seconds)

rate = (260/180) meters per second

rate = 1.44 meters per second, which is approximate

I'm rounding to 3 sig figs.

can squirrels get cats pregnant?!?!?! please answer quickly :/

Answers

Answer:

i don't think so...they are different species?

why would you even need to know that?

Answer:

Explanation:

A squitten is a cat with a genetic deformity which causes a partial formation or complete absence of the radius bone making it resemble a squirrel. These cats should be kept indoors and seen to by specialist veterinarians, as long term management of the condition is essential for quality of life in these cats.

Question 7 of 25
Which structure is used by the organism to see the outside world?

Answers

Answer:

install

Explanation:

Answer:

Eye

Explanation:

We use the eye to look at things

When 2 or more organisms compete for the same resource there can be a variety of outcomes. What would be one of those outcomes?

Answers

Answer:

The biology branch deals with the relations between and physical environment of organisms.

Explanation:

The principle of competitive exclusion states that if two species occupy the same niche, they cannot exist together (competing for identical resources). Two species whose niche overlap can evolve to have different niches through natural selection, resulting in the distribution of resources.

In ecology, interspecific competition is a form of competition where individuals from different kinds compete in an ecosystem for the same resources (e.g. food or space)... There may be interspecific competition if people of two separate species share a limited resource within a single area.

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