Posts Tagged ‘homosexuality’
I was watching one of these science programs on National Geographic about the connection of the relation between testosterone exposure in the womb and finger length.
The foetus makes most of the testosterone itself. In males, it comes from the testes and adrenal glands; in females from the adrenals alone. Only a small amount will comes from the mother. In women this results in the ring finger and index finger being about the same length. However in men the index finger will usually be the shorter of the two digits.
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