Using the group of cards just described in this lesson, the probability of drawing a red five is
1100
75

In many humans, exposing the skin to sunlight over prolonged periods of time results in the production of more pigment by the skin cells (tanning). this change in skin color provides evidence that -

Can a trait be both polygenic and have multiple alleles? explain why or why not.

Which of the following is not associated with invasive species?