To determine whether F_1 hybrid is homozygous | vedclass

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(B) $test$ cross is a cross between an individual with an unknown genotype (showing a dominant trait) and a homozygous recessive individual.It is used

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(B) $test$ cross is a cross between an individual with an unknown genotype (showing a dominant trait) and a homozygous recessive individual.It is used to determine whether the individual is homozygous dominant or heterozygous for a particular trait.If the offspring show a $1:1$ phenotypic ratio,the parent is heterozygous.If all offspring show the dominant trait,the parent is homozygous dominant.

To determine whether $F_1$ hybrid is homozygous or heterozygous for a particular trait,a . . . . . . cross is performed.

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