Boy or girl? U-M researchers identify genetic mutation that increases chance of having a daughter
news.umich.edu
Study: In search of the genetic variants of human sex ratio at birth: was Fisher wrong about sex ratio evolution? (DOI: doi.org/10.1098/rspb.2024.1876) Each year, roughly the same numbers of boys and girls are born. But in individual families, some couples have four or more daughters and no s
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The original was posted on /r/science by /u/mvea on 2024-10-17 19:37:14+00:00.

Original Title: Some couples have four or more daughters and no sons, and some have all male children and no female children. This skewed sex ratio may be a result of the genes of the parents. Researchers have detected a human genetic mutation that influences the sex ratio of children.