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Consider a case of identical twins in which one has a disease that has a strong genetic component while the other is unaffected.

Which of the following are possible explanations for the difference between the twins?

Select ALL that apply.

A

Environmental differences.

B

Incomplete penetrance.

C

Independent assortment.

D

Heteroplasmy.

E

Miotic non-disjunction.

F

Maternal imprinting.

G

Paternal imprinting.

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