Karyotypes and Chromosome Abnormalities

E extreme bar type eye for d melanogaster duplication

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Unformatted text preview: rome, extra 18 chromosome Mental retardation, hip deformities, growth failures, heart defect, short sternum Trisomies, nondisjunction, and Maternal Age Nearly all autosomal trisomies increase with maternal age as a result of nondisjunction among older mothers. Meiosis is paused after meiosis I for females, and when that specific egg is released from the ovary it can be decades later. The pause might be the cause of...
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