In a rare southern lizard species, individuals with (aa) genotype do not live to a reproductive age. the gene pool of the lizard population is affected because this allele (a).

a. favours migration
b. produces new gene combinations
c. increases genetic diversity
d. decreases in frequency

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:

it should be d) transitional fossils.

they show the gradualism of evolution throughout a period of time