Premeiotic trisomy 21 in oocytes and Down syndrome: a reply to Zheng and Byers's hypothesis.
Antonarakis
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D003434:Crossing Over, Genetic / Q000235:genetics*; D004314:Down Syndrome / Q000235:genetics*; D006801:Humans; D008423:Maternal Age; D008540:Meiosis / Q000235:genetics*