Your friend works in a biotech company that has just discovered a drug that seems to promote lamellipodia formation in cells. Which of the following molecules/complexes is unlikely to be directly involved in the pathway that this drug affects? a. ARP
b. Rac
c. myosin
d. Actin

genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).

im not intirely sure but i think the anwser is d relative humidity