A test cross in a pea plant is defined as: | vedclass

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(A) The correct answer is $A$. $A$ test cross is a genetic cross between an individual showing a dominant phenotype (whose genotype is unknown, such a

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$A$ cross between an $F_2$ tall plant and a recessive parent.

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(A) The correct answer is $A$. $A$ test cross is a genetic cross between an individual showing a dominant phenotype (whose genotype is unknown, such as an $F_2$ tall plant) and a homozygous recessive parent. This cross is performed to determine the genotype of the dominant individual. If the $F_2$ tall plant is homozygous dominant $(TT)$, all offspring will be tall. If the $F_2$ tall plant is heterozygous $(Tt)$, the offspring will be $50\%$ tall and $50\%$ dwarf.

$A$ test cross in a pea plant is defined as:

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