Question

An individual with unknown genotype is crossed with homozygous recessive for the trait, all the offsprings produced showed the dominant phenotype. The unknown genotype would be ______.

विकल्प

• AA

• Aa

• aa

• AB

Answer 1

An individual with unknown genotype is crossed with homozygous recessive for the trait, all the offsprings produced showed the dominant phenotype. The unknown genotype would be AA.

Explanation:

In a test cross, an AA individual crossed with aa produces only Aa offspring, all with the dominant phenotype. An Aa individual would produce some recessive offspring.