20. A cross is performed between parents with genotypes xxYyZz and xxYyzz. What is the probability
that the offspring will have the same genotype as the first parent? Capital letters indicate dominant
alleles and lower case letters indicate recessive alleles.
(A) 1/8
(B) 1/4
(C) 3/8
(D) 3/16
(E) 9/16
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統計: A(0), B(1), C(0), D(0), E(0) #3061392
統計: A(0), B(1), C(0), D(0), E(0) #3061392