Astudent notes that an individual has attached earlobes, a recessive trait in humans. a cell is taken from this individual, and the alleles for the trait are isolated. what is the probability that one of the alleles was inherited from the individual’s mother? a. 100% b. 75% c. 50% d. 0%

The deserts of the sahara and australia are associated with

Astudent is looking through a microscope at some cells of an onion root tip. many of these cells are undergoing division since the root tip grows quickly and requires more cells. which cell most recently underwent metaphase? w x y z

The image shows the evolution of a species of fish. a few fish from a population developed different social behaviors and evolved into different species. two fish according to the image, the fish underwent . the new species of fish had mating seasons that were different from that of the original fish. because of the differences in mating seasons, the fish underwent reproductive isolation. this mode of isolation would be .