Despite how different their sessile, filter-feeding adult forms seem, larval clearly display chordate features.

i would have to say autosomal

as many times as you want

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:

well, i believe that the answer is 2. : 3