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5 May, 07:14

People who have an extra X chromosome could have gotten it through

(A) nondisjunction.

(B) transposition.

(C) transduction.

(D) crossing over.

(E) all of the above.

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Answers (2)
  1. 5 May, 07:17
    0
    I believe the answer is A, but a cross over could also be possible.
  2. 5 May, 07:41
    0
    A. Nondisjuntion, because they have an extra cell when the sperm and egg meet.
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