A normal human sperm fertilizes an egg in which non-disjunction of the X chromosomes occurred during anaphase I. Which of the following is NOT a possible karyotype of the resulting zygote?

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    a zygote that has 47 chromosomes
    a completely normal XX or XY zygote
    a zygote that is XXX
    a zygote that is XXY
asked May 19, 2013 in Biology by anonymous
    

1 Answer

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a completely normal XX or XY zygote
answered May 20, 2013 by Bioshare ~Top Expert~ (34,070 points)

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