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(C) cross between an organism with an unknown genotype (or a heterozygous individual) and a homozygous recessive parent is known as a test cross.In th

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Test cross

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(C) cross between an organism with an unknown genotype (or a heterozygous individual) and a homozygous recessive parent is known as a test cross.In this cross,the $F_1$ hybrid (heterozygous,$Tt$) is crossed with a homozygous recessive parent $(tt)$.The purpose of a test cross is to determine the genotype of an organism showing a dominant phenotype.The resulting offspring ratio in a monohybrid test cross is $1:1$ (heterozygous $Tt$ : homozygous recessive $tt$).

$A$ cross between a homozygous recessive and a heterozygous plant is called:

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