Traditional Culture Encyclopedia - Traditional festivals - Will the father's body odor be passed on to his son?
Will the father's body odor be passed on to his son?
Body odor is the dominant inheritance of X chromosome;
Let A be the pathogenic gene and A be the normal gene;
The male sex chromosome is XY. Male XaY is sick and XAY is normal;
The sex chromosome of women is XX. Women suffer from XaXa and XAXA, and XAXa is normal;
Aa and Aa are homozygotes, and AA is heterozygote.
If both parents have body odor and the mother is homozygous for body odor, the prevalence rate of offspring is 100% for both men and women.
If both parents have body odor and the mother is a heterozygote with body odor, the prevalence rate of female offspring is 100% and that of male offspring is 50%.
If the father has body odor and the mother is normal, the prevalence rate of female offspring is 100% and that of male offspring is 0%.
If the father has no body odor and the mother is homozygous for body odor, the prevalence rate of male and female offspring is 100% respectively.
If the father has no body odor and the mother is a heterozygote with body odor, the prevalence rate of male and female offspring is 50% respectively.
Parents don't have body odor, and children don't inherit it.
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