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AlekseyPX
3 years ago
10

Punnett squares are used to show possible combinations of alleles or to predict the probability of a trait occurring in offsprin

g. A parakeet that is heterozygous for blue feathers (dominant) is crossed with a parakeet that is homozygous for white feathers (recessive). According to the Punnett square for this cross, what percentage of offspring is predicted to have blue feathers?
A. 25 %
B.50%
C.75%
D.100%
Biology
2 answers:
Dima020 [189]3 years ago
8 0
If one parakeet is heterozygous, that means it has one dominant gene and one recessive gene (Rr). If the other is homozygous for white feathers, then it has two recessive genes (rr). Crossing these two in a punnet square gives you 50%.
Tresset [83]3 years ago
5 0

Answer:

b. 50%

Explanation: on edge

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