Mating of an organism to a double recessive i | vedclass

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(B) In genetics,a test cross,first introduced by Mendel,is used to determine if an individual exhibiting a dominant trait is homozygous or heterozygou

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test cross

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(B) In genetics,a test cross,first introduced by Mendel,is used to determine if an individual exhibiting a dominant trait is homozygous or heterozygous for that trait.Test crosses involve breeding the individual in question with another individual that expresses a recessive version of the same trait.If all offspring display the dominant phenotype,the individual in question is homozygous dominant.If the offspring display both dominant and recessive phenotypes,then the individual is heterozygous.$A$ test cross is a specific type of back cross where an individual is crossed with a recessive homozygote.

Mating of an organism to a double recessive in order to determine whether it is homozygous or heterozygous for a character under consideration is called

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