For a simple trait with one dominant and one recessive gene, a person will display the recessive trait
A) if they are heterozygous or homozygous for the recessive trait.
B) only if they are homozygous for the recessive trait.
C) only if they are heterozygous.
D) as long as they inherit one copy of the recessive trait.
Answer: B
Rationale: In order to display a recessive trait, a person must be homozygous (i.e., both of their copies of the gene must be recessive.
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