A testcross involves an individual with the dominant phenotype but unknown genotype being crossed with an individual that has a(n) ________ genotype.

A. homozygous recessive
B. homozygous dominant
C. heterozygous dominant
D. Any of the choices.


Answer: A

Biology & Microbiology

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Answer the following statement true (T) or false (F)

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The wings of bats and birds and the flippers of porpoises are

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