Question

The crossing of F₁ to homozygous recessive parent is called ______.

Options

• back cross

• test cross

• F₁ cross

• All of these

Answer 1

The crossing of F₁ to homozygous recessive parent is called test cross.

Explanation:

The test cross is when an F₁ crosses with a homozygous recessive parent. A test cross is a cross between two individuals in which one has the dominant phenotype of a trait and the other is homozygous recessive for that trait, with the goal of determining the dominant individual's genotype.