A useful process for determining whether an individual is homozygous or heterozygous is_____________________?
Correct answer: B. Back crossing
- A. Cross breeding
- B. Back crossing
- C. Self fertilization
- D. Inbreeding
Explanation
A test cross determines an unknown genotype by crossing the individual with a homozygous recessive; this is a special type of backcross. A self-cross can also help, but backcrossing is the intended option here.
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