A genetics researcher determines that the broad-sense heritability of height among Southwestern University undergraduate students is 0.90. Which of the following conclusions would be reasonable? Explain your answer. a. Sally is a Southwestern University undergraduate student, so 10% of her height is determined by nongenetic factors. b. Ninety percent of variation in height among all undergraduate students in the United States is due to genetic differences. c. Ninety percent of the height of Southwestern University undergraduate students is determined by genes. d. Ten percent of the variation in height among Southwestern University undergraduate students is determined by variation in nongenetic factors. e. Because the heritability of height among Southwestern University students is so high, any change in the students’ environment will have minimal effect on their height.
A genetics researcher determines that the broad-sense heritability of
height among Southwestern University undergraduate students is 0.90.
Which of the following conclusions would be reasonable? Explain your
answer.
a. Sally is a Southwestern University undergraduate student, so 10% of
her height is determined by nongenetic factors.
b. Ninety percent of variation in height among all undergraduate students
in the United States is due to genetic differences.
c. Ninety percent of the height of Southwestern University undergraduate
students is determined by genes.
d. Ten percent of the variation in height among Southwestern University
undergraduate students is determined by variation in nongenetic factors.
e. Because the heritability of height among Southwestern University
students is so high, any change in the students’ environment will have
minimal effect on their height.
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