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vazorg [7]
3 years ago
12

How would the genetic traits of a population change in response to an environmental pressure such as overfishing?

Biology
2 answers:
Nady [450]3 years ago
7 0
Yes it is d. hope you get an A!
topjm [15]3 years ago
5 0

Answer:

The correct answer is option D. The genetic traits not selected by fishing would increase in the population.

Explanation:

Hello!

Let's solve this!

In the case of overfishing, it would affect genetic variation, since the traits that are not selected by fishing are the ones that would survive the most in the population. That is, those chosen to be fish will take some characteristics of the population.

We will conclude that the correct answer is option D. The genetic traits not selected by fishing would increase in the population.

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The type of reproduction by which plants produce offspring from vegetative part is called
Allushta [10]
<span>Others are external fertilization:

</span>a. all of the sperm will fertilize eggs.
b. sperm and egg will be released simultaneously.
c. the number of sperm and eggs produced will be equal.
<span>e. sperm will be protected until they can unite with the eggs.</span>
3 0
3 years ago
In a hypothetical population of plants, flower color is determined by a single gene with two alleles. In a population of 500 pla
blondinia [14]

Answer:

In the F1 generation

RR = 0%

Rr = 50% (or 0.5)

rr = 50% (or 0.5)

Explanation:

A pink flowering plant has the genotype Rr. It is heterozygous for the allele. The alleles for this gene appears to show incomplete dominance, as the heterozygous phenotype is a blend of the two homozygous genotypes.

A white flowering plant has the genotype rr. It is homozyogous for the white allele

A punnet square of the cross is shown.

The resulting punnet square shows that only Rr and rr genotypes are possible, at a ratio of 50:50 (or 1:1). Therefore, the genotype frequency of Rr is 50%, and rr is 50% in the F1 generation. This can also be written as 0.5. It is not possible to get a red plant, as the genotype RR can not come from this cross

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8 0
3 years ago
) is every minimum bottleneck tree of g a minimum spanning tree of g? prove or give a counter example
mote1985 [20]

The answer is false. To explain further, let G have vertices {v1, v2, v3, v4}, with ends between each pair of vertices, and with the mass on the edge from vi to vj equal to I + j. Then each tree has a bottle neck edge mass of as a minimum of 5, so the tree containing of a track through vertices v3, v2, v1,v4 is a least bottleneck tree. It is not a least spanning tree, though, subsequently its total mass is greater than that of the tree with edges from v1 to every single vertex.

5 0
3 years ago
What is least likely to be an example of a variation within a species ?
Ket [755]

Answer:

Option D,  Number of limbs

Explanation:

Options for the question

a. Birth weight

b. Hair color

c. Number of offspring

d. Number of limbs

Solution

Variation within a species is caused due to genetic differences governed by varying allele frequencies and duet to environmental factors that somewhere effect the expression of the genetic potentials thereby causing phenotypic variation.  

Number of limbs is a physical characteristics, very unlikely governed by genetic variation. While factors such as hair color (grey, black, white etc.), height (tall, short, medium) etc. are governed by genetic variation as a result of which they have several phenotypic variations.

Hence, option D is correct

7 0
3 years ago
Which phenotypic change is genetic?
Westkost [7]

B. The flower color in a population changes over time.
6 0
3 years ago
Read 2 more answers
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