Hacker News with Generative AI: Sex Determination

Beyond XX and XY: The Extraordinary Complexity of Sex Determination (2017) (scientificamerican.com)
Humans are socially conditioned to view sex and gender as binary attributes. From the moment we are born—or even before—we are definitively labeled “boy” or “girl.” Yet science points to a much more ambiguous reality.
Why do we have near-equal numbers of male, female babies, unlike other animals? (theconversation.com)
We know that boys and girls are produced in much the same frequency. But how – and why – is this 1:1 ratio achieved?