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Human egg cells contain an X chromosome. Human sperm cells either have an X chromosome or a Y chromosome. What combination of X and Y chromosomes must be found in the normal cells of a adult female? (a) XY (b) YY (c) XX (d)YX |
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Answer» Human egg cells contain an X chromosome. Human sperm cells either have an X chromosome or a Y chromosome. What combination of X and Y chromosomes must be found in the normal cells of a adult female XX. |
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