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  2. Síndrome XYY
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  5. Pergunta 10

Quais são as causas de Síndrome XYY?

Veja algumas causas da Síndrome XYY segundo pessoas que têm experiência com Síndrome XYY

Original

One of the spermcells of the father had two Y-chromosomes instead of one. But the scientists don't know already why that could happen.

Translated