A heritability estimate is
A) an estimate of the proportion of a trait that is attributable to genetics.
B) an estimate of the proportion of between-subject variability occurring in a particular trait in a particular study that resulted from genetic differences among the subjects of that study.
C) likely to be higher in studies with little environmental variation.
D) both A and C
E) both B and C
Question 2
In the study of heritability estimates, increasing the genetic diversity of the subjects without introducing other changes would likely
A) decrease the heritability estimate.
B) confound the experiment.
C) increase the accuracy of the heritability estimate.
D) reduce the accuracy of the heritability estimate.
E) increase the heritability estimate.
A family pedigree of a recessive trait.
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