A) check heterozygosity in \[{{F}_{1}}-generation\]
B) check heterozygosity in \[{{F}_{2}}-generation\]
C) check independent assortment
D) check segregation
Correct Answer: A
Solution :
[a] Crossing of \[{{F}_{1}}\] individual having dominant phenotype with its homozygous recessive parent is called test cross and the progeny of test cross is called test cross progeny. Test cross was devised by Mendel to prove that obtained by crossing two pure breeding parents is heterozygous or hybrid. If the unknown genotype is homozygous, half the progeny will exhibit the dominant trait and other half exhibit the recessive trait. So, a test cross is used to check heterozygosity in \[{{F}_{1}}-generation\].
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