Consider the example of sickle-cell anemia and the allele for the sickle-cell trait, and answer the following. true or false: this is an example of stabilizing selection. it will decrease the genetic variation for this gene in the population.

Name the glands associated with human digestive system

Waianapanapa beach in hawaii is a black-sand beach that was formed by waves crashing against volcanic rock. the sand can be very hot on sunny days. which statement best explains why? o a. the black sand has no heat capacity. b. the black sand absorbs no radiation. o c. the black sand is immune to insolation. d. the black sand has a low albedo.

Black fur(b) in guinea pigs is dominant over white fur(b). find the probability of a homozygous offspring in a cross: bb x bb. a. 0% b. 25% c. 50% d. 75% e. 100%