In some cases of genotypic expression, one gene of a pair always exerts its effects overriding the potential influence of the other gene. This is the ________ principle.
A) sex-linked genes
B) dominant-recessive genes
C) genetic imprinting
D) polygenic inheritance

Question

Quizplus · Accepted Answer

The dominant-recessive gene principle states that in a pair of genes, one dominant gene can always exert its effects over the recessive gene. This means that even if an individual has both a dominant and recessive allele for a particular trait, only the dominant allele will be expressed.

In Some Cases of Genotypic Expression, One Gene of a Pair