If the concordance rates for a particular trait in both MZ and DZ twins are similar, then that trait is likely due to
A) genetic factors.
B) environmental factors.
C) weak gene-environment interaction.
D) strong gene-environment interaction.
E) particular parenting styles.

Question

Quizplus · Accepted Answer

When the concordance rates for a trait are similar in both monozygotic (MZ) twins, who share nearly 100% of their genes, and dizygotic (DZ) twins, who share about 50% of their genes, it suggests that the trait is more influenced by environmental factors than by genetic factors.

If the Concordance Rates for a Particular Trait in Both