Imagine that in one portion of their range, black widowbird numbers are declining due to the introduction of a non-native snake that eats their eggs and nestlings. The last two remaining females in this population disperse to join a different population that is 50 km away. Breeding with males in this new population would introduce new genes and is an example of __________.

Question

Quizplus · Accepted Answer

Gene flow refers to the transfer of genetic variation from one population to another. When the two female widowbirds join a new population and breed, they introduce new genetic material to that population, exemplifying gene flow.

Imagine That in One Portion of Their Range, Black Widowbird