c. that mutations can sometimes be beneficial. {Ans: In Africa, children who inherit a single sickle cell allele are more resistant to malarial infection and more likely to survive. This demonstrates: a. that nature is more influential than nurture. b. the epigenetic framework. c. that mutations can sometimes be beneficial. d. the purpose of behavioral genetics.}a. polygenic inheritance {Ans: Most traits are a function of the interaction of multiple genes, known as _______. a. polygenic inheritance b. incomplete dominance c. dominant-recessive inheritance d. genomic imprinting}a. genotype {Ans: Our genetic makeup, inherited from our biological parents, consists of a complex blend of hereditary characteristics known as ______. a. genotype b. phenotype c. behavior genetics d. canalization}a. female; male {Ans: Child A has two large X-shaped chromosomes (XX), and Child B has one large X-shaped chromosome and one much smaller Y-shaped chromosome (XY). Child A is _____ and Child B is ____. a. female; male b. male; female c. an identical twin; a fraternal twin d. a fraternal twin; an identical twin}c. a carrier of {Ans: When an individual is heterozygous for a particular trait, the dominant gene is expressed and the person becomes _____ the recessive