How the Y Makes the Guy

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How the Y Makes the Guy by Baeuerle, Patrick A.; Landa, Norbert, 9780764150647
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  • ISBN: 9780764150647 | 0764150642
  • Cover: Hardcover
  • Copyright: 1/1/1998

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In Barron's popular Microexplorers Series, young explorers learn how male and female cells combine when a child is first conceived--and how the genes within each cell determine the characteristics of this new living being. The way in which X and Y genes combine determine whether the child will be a boy or a girl. Full-color illustrations.