The human stress system evolved to deal with events such as getting chased by a lion. Which modern stress activates the stress system in the same way as getting chased by a lion?

18. how do the cells in meiosis differ from the cells in mitosis?

Brepresent the dominant allele for brown fur, and b represents the allele for white fur. if two rabbits with the genotype bb reproduce, what are the possible phenotypes for their offspring

When are the centromeres broken in meiosis?