Which of the following statements is correct?

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(B) The correct statement is $B$. $A$ back cross is defined as the cross of an $F_1$ hybrid with either of its parents ($P_1$ or $P_2$). $A$ test cros

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Each test cross is a back cross.

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(B) The correct statement is $B$. $A$ back cross is defined as the cross of an $F_1$ hybrid with either of its parents ($P_1$ or $P_2$). $A$ test cross is a specific type of back cross where an individual of unknown genotype (usually $F_1$ or $F_2$ generation) is crossed with a homozygous recessive parent. Since a test cross is a subset of back crosses,it is correct to say that every test cross is a back cross,but not every back cross is a test cross.

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