The gene for black color in cattle dominates over the gene for red color.
| October 12, 2021 | education
The gene for black color in cattle dominates over the gene for red color. What offspring can be obtained from crossing heterozygous cattle?
According to the conditions of the problem:
A – black color of cattle;
a – red color of cattle.
Both parents are heterozygous for this trait. Accordingly, we get:
R: Aa * Aa;
G: A, a, A, a;
F1: AA – black color of cattle, 2Aa – black color of cattle, aa – red color of cattle.
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