If the heritability of height is calculated to be .80,this means 80 percent of ____.
A) your physical height is due to genes, and the other 20 percent is due to environment
B) people studied have the same genes for height
C) the differences in height among people are due to genes
D) your genes for height have been activated

Question

Quizplus · Accepted Answer

The heritability of height being calculated to be .80 means that 80% of the differences in height among people can be attributed to genetics, while the remaining 20% can be attributed to environmental factors. Therefore, option C is the best answer as it accurately describes the meaning of heritability in this context. Option A is partially correct in describing the environmental influence on height, but it incorrectly implies that all people have the same genes for height (option B) and that genes are already activated (option D).

If the Heritability of Height Is Calculated to Be