MCQ
A test cross is performed:
- ABy selfing of F2 generation plants.
- BBy selfing of F1 generation plants.
- CTo determine whether F1 plants are homozygous or heterozygous.
- DBetween homozygous plants.
Explanation:
The crossing of an F1 progeny with a homozygous recessive parental progeny is done in order to determine whether the progeny is homozygous or heterozygous for a character under consideration. This is called a test cross. Those that are heterozygous will have one dominant and one recessive allele individuals and those that are homozygous dominant will have two dominant alleles, and those that are homozygous recessive will have two recessive alleles.
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