Question

question 2 1 pts sexual selection can result in an increased frequency of alleles, which are always beneficial to both the individual’s survival and reproductive rate. are always beneficial to the individual’s survival but may be harmful to its reproductive rate. may be harmful to both the individual’s survival and reproductive rate. may be harmful to the individual’s survival but is always beneficial to its reproductive rate.

Explanation:

Sexual selection favors traits that enhance reproductive success, even if they harm survival (e.g., elaborate peacock tails). So alleles from sexual selection may hurt survival but help reproduction. Analyzing options: first three are wrong (not always beneficial to survival or both), last option matches.

Answer:

D. may be harmful to the individual’s survival but is always beneficial to its reproductive rate.