Alleles conferring red plumage to cardinal males are common because red plumage:

Question

Quizplus · Accepted Answer

Red plumage is preferred by female cardinals in choosing a mate. This is supported by studies that have shown that female cardinals prefer males with brighter, redder plumage, as it is an indicator of the male's health and genetic quality. Therefore, alleles conferring red plumage are more likely to be passed on to offspring, as they increase the male's likelihood of mating and reproducing.

Alleles Conferring Red Plumage to Cardinal Males Are Common Because