Semi-identical twins discovered →
“They are the result of two sperm cells fertilising a single egg, which then divided to form two embryos – and each sperm contributed genes to each child.” – via kottke
]]>A rather geeky/technical weblog, est. 2001, by Bramus
Semi-identical twins discovered →
“They are the result of two sperm cells fertilising a single egg, which then divided to form two embryos – and each sperm contributed genes to each child.” – via kottke
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