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Do First-born Sons Actually Take After Their Mothers? A Genetic Exploration
Moms at all times contribute an X chromosome, whereas fathers contribute both an X or a Y. Thus, the daddy determines the gender of the offspring.
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Unique Supply: https://www.parentherald.com/articles/110858/20230818/first-born-sons-really-take-moms-genetic-exploration.htm
Written by: on 2023-08-18 14:45:52
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