NEET Biology question

Test cross is when

(A) crossed with heterozygous parent
(B) crossed with homozygous dominant parent
(C) crossed with homozygous recessive parentCorrect
(D) crossed with homozygous parent

Answer: (C)

Solution

A test cross specifically crosses the with the homozygous recessive ("double recessive") parent, since this is the only cross that directly reveals, through the offspring's phenotype ratio (

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Question ID VK-119510