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Sunny_sXe [5.5K]
3 years ago
13

Color coat for roan cows (RW) shows codominance. A cow with a white coat has WW as its genotype. A cow with a red coat has RR as

its genotype. A roan cow (RW) is crossed with another roan cow (RW), what fraction of the offspring will be white (WW)? A 0/4 B 1/4 C 1/2 D 3/4
Biology
1 answer:
ki77a [65]3 years ago
4 0

Answer:

The correct option is B) 1/4

Explanation:

Co-dominance can be described as a phenomenon which arises when the dominant trait is not fully dominant over the recessive trait. As a result, both the dominant and the recessive trait are shown in the organism.

To depict the results between two roan cows, lets make a punnet square:

       R        W

R   RR       RW

W   RW     WW

The results form the punnet square show that there is a 25% or 1/4 chance for the offspring produced to be a white cow.

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