Hacker NewsMar 2, 2025
Backyard Bird Has a Lot to Teach Us about Sex Variability — https://www.scientificamerican.com/article/a-backyard-bird-offers-a-new-way-of-thinking-about-sexes/
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A Backyard Bird Offers a New Way of Thinking about Sexes

White-throated Sparrows demonstrate that traits we usually associate with sex can be influenced by genes that are not on sex chromosomes

Scientific American