Recessive alleles are best defined as ________.
A) only expresses in present in a double dose
B) the least frequently expressed allele in a given population
C) a deleterious or disease causing allele
D) a weakened or attenuated allele

Question

Quizplus · Accepted Answer

Recessive alleles are only expressed when present in a double dose, meaning that both copies of a gene must have the recessive allele in order for it to be expressed.

Recessive Alleles Are Best Defined as ________