If the primers shown below were used in a DNA analysis of person 1, 2 and 3, what order would the bands appear, from top to bottom, after running the gel?

If the frequency of the p allele is .63 in the population then what is the frequency of the q allele?

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 variation among individuals, on which natural selection acts