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How can a punnett square show why the ratio of males to females in a population remains around 50 50?
Wiki User
∙ 14y ago
Males and females have two sex chromosomes; males have XY and females XX. If you mate a male and a female, then the male side of the punnett square will have an X and Y chromosome to donate, and the female side of the punnett square will have two X chromosomes. When you fill in the punnett square you will see that the results will be two females (XX) and two males (XY). That is therefore, a 50/50 or 1:1 ratio.
Wiki User
∙ 14y ago
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