If all offspring of a cross have the genotype Aa , the parents of the crosses would most likely be ____.
A)AA ´ aa
B)Aa ´ Aa
C)Aa ´ aa
D)AA ´ Aa
E)aa ´ aa

Question

If all offspring of a cross have the genotype Aa , the parents of the crosses would most likely be ____.
A)AA ´ aa
B)Aa ´ Aa
C)Aa ´ aa
D)AA ´ Aa
E)aa ´   aa

Quizplus · Accepted Answer

The correct cross to produce all Aa offspring is between an AA and an aa parent. This is because the AA parent can only contribute an A allele, and the aa parent can only contribute an a allele, resulting in offspring that are all Aa.

If All Offspring of a Cross Have the Genotype Aa