Twins are concordant for a trait when ___. Select one: a. both twins share the trait with at least one parent b. only identical twins have the trait c. only fraternal twins have the trait d. all of the twins' siblings have the trait e. both twins have the trait of human diseases. A trait with a heritability value of 0.75 indicates that 75% of the phenotypic variability seen in the population is caused by ___ of the population. Select one: a. genetic differences b. environmental differences c. concordance d. epigenetic effects
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In this case, both twins have the trait, indicating concordance. Show more…
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