Which of the following would result in offspring with the least genetic variation? a)Mitosis to produce a larger population
b)Meiosis to produce gametes
c)Fertilization of sex cells
d)Combination of eggs and sperm

as resources become scarce because of population growth, the growth decreases after few years due to lack of resources and food.

i think the answer is a.keratin is the pigment responsible for skin color.

osteogenesis imperfecta (oi) refers to a congenital ailment of bones. in the condition, the bones become brittle or fragile. this ailment is a general result of the defect or mutations in the genes (colia1 or colia2). this mutation results in imperfect collagen formation either in quantity or quality wise.  

there are eight kinds of oi defects, and each kind varies with certain distinctions in symptoms. the usual symptoms include frequent bone fractures, loss of hearing in infants, protruding eyes, discoloration of the white in the eyes, respiratory issues, loosening of the joints, short stature, and other symptoms.