In a dihybrid cross aabb × aabb, what proportion of homozygotes for only one of the genes (not both) is expected among the f2 offspring

Asap! how does the distance between two objects affect the force of gravity? how is the moon dependent on the sun?

Factors that can increase mutation rates a. high temps b. low temps c. food additives d. uv rays

Which of the following statements about archaea and bacteria is true? a. neither is single-celled. b. they both have nuclear membranes. c. neither reproduces by binary fission. d. they both lack a nuclear membrane.