The rest of the questions are based on the following scenario. You have guinea p

Question

The rest of the questions are based on the following scenario. You have guinea pigs from two pure breeding lines. One line has black fur and red eyes the other line has white fur and blue eyes. When you cross them, all the F1 guinea pigs have black fur and blue eyes. When you cross the F1s to one another you get a total of 50 F2 offspring. There are 31 with black fur and red eyes, 15 with white fur and blue eyes, 2 with white fur and red eyes, and 2 with black fur and blue eyes. There are approximately equal numbers of males and females in each phenotypic category. Which alleles are dominant? black, red black, white black, blue white, blue

Explanation / Answer

Here, Allele black fur and blue eyes is dominant.

Parent of first line have Dominant Black fur and recessive red eyes (both are homozygous).

second line have recessive white fur and dominant blue eyes.

When they are crossed F1 generation. have Dominant Black fur and  dominant blue eyes (Both are

heterozygous).

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