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The sex of a child is determined by which of the following ? (a) the length of the mother's pregnancy (b) the length of time between ovulation and copulation (c) the presence of an X chromosome in an ovum (d) the presence of a Y chromosome in a sperm |
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Answer» The sex of a child is determined by which of the following ? (a) the length of the mother's pregnancy (b) the length of time between ovulation and copulation (c) the presence of an X chromosome in an ovum (d) the presence of a Y chromosome in a sperm |
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