A research study reveals that a measure of disordered eating has a heritability

Question

A research study reveals that a measure of disordered eating has a heritability estimate of .40 in a group of young women. This finding best supports which of the following conclusions? Why? a. Heritability for disordered eating would be .40 in most groups of young women.

b. Approximately 40% of the variance in disordered eating is attributed to genetic factors within this group.

c. Approximately 40% of the population has the gene for disordered eating and could develop an eating disorder.

d. Disordered eating is more nurture than nature and is made up of 40% genetic and 60% environmental factors.

Explanation / Answer

Since the heritability measure of disordered eating is 40 among the group of young women. That means among 100 women there are chances that 40 women would develop eating disorders. But that does not mean that women have gene for disordered eating. Neither it means that chances of disordered eating is 40 % genetic and 60 % environmental.

So, the option A is correct

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