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34kurt
3 years ago
13

In a forest ecosystem, which of the following is NOT an example of a limiting factor that would greatly affect a rabbit populati

on?
A) a rainy season

B) grass available to eat

C) the population of hawks that eat rabbits

D) the population of hawks that eat rabbits
Biology
1 answer:
Marianna [84]3 years ago
8 0

Answer:

A rainy season or A)

Explanation:

Grass is a no as the answer that is because if there was a great decrease in  grass, then the rabbit population would slowly and slowly disperse.

C) and D) if there was so many hawks that they hunted so many rabbits that they were extinct that would be like B)

I have NO Idea what the other guy was thinking.

But I am always happy to help!!!!

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Suppose two independently assorting genes are involved in the pathway that determines fruit color in squash. These genes interac
makvit [3.9K]

Answer:

100% yellow fruit color, Yyww.

Explanation:

<u>Available data</u>:

  • two independently assorting genes
  • the W allele codes for a dominant white phenotype
  • w allele codes for a colored squash
  • The allele Y codes for a dominant yellow phenotype
  • the allele y codes for a recessive green phenotype
  • The phenotypes from the first locus will always mask the phenotype produced by the second locus if the dominant allele (W) is present at the first locus. This masking pattern is known as dominant epistasis

Epistasis means "interruption" and refers to interactions between genes located in different loci in the same chromosome. An “epistatic gene” can alter, influence, or suppress the expression of a "hypostatic gene". When the epistatic gene is dominant, the interaction is known as "dominant epistasis".

W suppresses the expression of Y and y, this means that whenever W is present, the fruit is white. If W <u>is not</u> present, the fruit color can be expressed.

So, the proposed cross in the present problem occurs between a green fruited individual and yellow fruited individual, which suggests that W is absent.

<em>Genotype for Green fruit: yyww</em>

<em>Genotype for purebred Yellow fruit: YYww</em>

Cross:

Parental) YYww    x    yyww

Gametes) Yw  Yw  Yw  Yw  yw  yw  yw  yw

Punnet square)    Yw       Yw       Yw      Yw

                 yw    Yyww  Yyww  Yyww  Yyww

                 yw    Yyww  Yyww  Yyww  Yyww

                 yw    Yyww  Yyww  Yyww  Yyww

                 yw    Yyww  Yyww  Yyww  Yyww

F1) 100% Yellow fruited plants, Yyww

As these two genes assort independently, we can also represent the cross for each gene by separate, like this:

For w gene:

Parental) ww  x  ww

Gametes) w w w w

Punnet square)  w     w

                 w     ww   ww

                 w      ww  ww

F1) 4/4 or 100% colored-fruits

For Y gene:

Parental) YY  x  yy

Gametes) Y Y y y

Punnet square)  Y     Y

                 y     Yy     Yy

                 y     Yy     Yy

F1) 4/4 or 100% yellow fruits, Yy.

3 0
3 years ago
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It’s C because when you have a asthma attack your lungs stay the same
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Which of the following is not one of the nitrogen bases that form the rungs of the ladder in DNA? a. adenine 2. cytosine 3. fran
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Answer:

3 francine

Explanation:

The four nitrogenous bases that compose DNA nucleotides are shown in bright colors: adenine (A, green), thymine (T, red), cytosine (C, orange), and guanine (G, blue). francine is not one of them

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Where is light penetration in a river or stream likely to be lowest?
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i beleive the answer is B.

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Scientists once thought the giant panda was a type of bear. Later, scientists classified giant pandas as relatives of the bear a
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Yes u are simply correct it would be that. since it’s super eprotacted onto it
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