How do the findings of Margulis and other scientists—that mitochondria and chloroplasts have their own DNA, like a cell’s nucleus—support the hypothesis of endosymbiosis?

Sexual reproduction in the parent cell will result in offspring with a) identical genetic information. b) half the genetic information. c) double the genetic information. d) four times the genetic information.

Which term most precisely describes the cellular process of breaking down large molecules into smaller ones? a) catalysis b) metabolism c) anabolism d) dehydration e) catabolism

In sheep, the allele for belly fur (a) is dominant to the allele for no belly fur (a). a mother with the genotype aa and a father with the genotype aa produce an offspring.