suppose that mice and humans differ by 30 substitutions in their globin genes, and rats and mice differ by five substitutions. on the basis of other evidence, we know that the ancestor to humans and mice lived 84 million years ago. assuming the molecular clock is operating, rats and mice split from each other million years ago.

What types of energy transfers and energy transportations are involved in the domino chain reaction?

What are the fixed alleles in the human species? o a. the alleles that are on the most chromosomes b. the alleles that change most often 000 c. the alleles that no one has d. the alleles that everyone has

Pentane with molecular formula c5h12, exists in three isomeric forms. one shows linear carbon chains, another has one -ch3 groups present on the third carbon atom, and the third has two -ch3 groups present on the second carbon atom. what types of isomers are these? a. geometric isomers b. structural isomers c. halotropic isomers