Why chimpanzees and bonobos are good models for the behavior of the last common ancestor (lca)?

the answer to your question is:

c. complementary base-pairing

in the year 2850, humans successfully colonized mars. the martian modules that were constructed could hold only a small population of people. it is now a century later, and the population on mars has grown to 600 people. of the current mars population, 45 people express the recessive phenotype for phenylketon- uria (pku) syndrome (pp genotype).

explanation:

answer: b

coz red blood cells marrow and circulates the body for 120 days.