Multiple Choice
In genetic crosses, the symbols AA and Aa refer respectively to:
A) heterozygous and homozygous phenotypes.
B) heterozygous and homozygous genotypes.
C) homozygous and heterozygous phenotypes.
D) homozygous and heterozygous genotypes.
E) homozygous and heterozygous morphotypes.
Correct Answer:

Verified
Correct Answer:
Verified
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