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3 years ago

What well known process was important in developing both Mendel's and

Biology

2 answers:

OlgaM077 [116]3 years ago

8 0

The answer is Artificial selection

laiz [17]3 years ago

7 0

Answer:

C. Artificial selection

Explanation:

The selective breeding of organisms in order to produce an offspring with the desired trait is known as artificial selection.

The concept of artificial selection helped in both Mendel's and Darwin's ideas as follows :

Darwin's study of artificial selection helped in the development of the theory of natural selection. Darwin reasoned that If through artificial selection variation in individuals can be seen in a few hundred generations, then nature can also over a longer timescale give rise to the diverse life forms.
Mendel, on the other hand, took advantage of artificial selection and selectively bred plants to generate pure breeding lines to carry forward his studies.

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Explanation:

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3 years ago

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3 years ago

Read 2 more answers

A geneticist is studying two traits in the fruit fly - eye color and wing shape. They perform a dihybrid cross. If the genes for

Len [333]

Answer:

3/16

Explanation:

According to Mendel's law of independent assortment of genes, when a dihybrid cross involves two genes that assort independently and one of the parents is dominant for the two genes and the other is recessive, the phenotypic ratio of the offspring at F2 would be 9:3:3:1. The proportion of the offspring with the dominant parental traits would be 9/16, those with the recessive parental traits would be 1/16, while those with mixed traits would be 3/16 each.

Assuming the eye color is represented by E and the wing shape is represented by W. At F2

EeWw x EeWw

E_W_ - 9/16 (dominant for both eye color and wing shape)

E_ww - 3/16 (dominant for eye color and recessive for wing shape)

eeW_ - 3/16 (recessive for eye color and dominant for wing shape)

eeww - 1/16 (recessive for both eye color and wing shape)

Hence, the proportion of the offspring with dominant phenotype for eye color and recessive phenotype for wing shape would be 3/16.

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3 years ago