The proximate significance of the fact that artificial selection can lead to change in a tested population is that it a. demonstrates that the environment has relatively little effect on the development of most behavioral attributes. b. shows that most animal species have a long way to go in reaching their full evolutionary potential. c. shows that populations often possess the potential for evolutionary change in the present, and so they could have been evolving in the past. d. demonstrates that heritable genotypic differences can influence the phenotypic differences observed among individuals in a population.

d. demonstrates that heritable genotypic differences can influence the phenotypic differences observed among individuals in a population

Explanation:

Artificial selection is a process that aims at identifying desirable traits in animals and plants in order to perpetuate them. In artificial selection, breeders choose individuals that exhibit desired phenotypic traits for breeding, thereby shaping evolution by driving genotypic variation. A phenotype can be the result of genetic factors, environmental conditions, as well as a combination of both. In consequence, during artificial selection, higher response to selection may be attributed to a better correlation between a genotype and its phenotype.

the correct answer is sex-linked recessive.

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after a the power stroke, adp is released, but the cross-bridge formed is still in place. atp then binds to myosin, moving the myosin to its high-energy state, releasing the myosin head from the actin active site.