Biology, 30.03.2020 21:08 chamarabrown9260

Why can fraternal twins be different genders, but identical are always the
same gender?
O
A. Fraternal twins grow in different uteruses.
B. Fraternal twins are formed by the same sperm.
O
c. Fraternal twins have different chromosomes.
O
D. Fraternal twins are born at different times.

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Why can fraternal twins be different genders, but identical are always the
same gender?
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