Karyotypes and Chromosome Abnormalities

Infections higher risk for leukemia linked with

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Unformatted text preview: Nondisjunction in Meiosis II for the X Chromosome The chromosomes fail to separate to opposite poles during meiosis Result = normal, too many, too few. - 50% normal, 50% abnormal Klinefelter’s Syndrome: 47 Chromosomes, XXY Male Genitalia Wide hips Less chest hair Less beard Turner’s Syndrome: 45 chromosomes, XO Phenotype: Short stature, webbing of the skin at the neck, low hairline, low set ears, abnormal eye features, abnormal bone development, lack of breasts, amenorrhea Trisomy 21: Down Syn...
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This document was uploaded on 03/23/2014 for the course BIO 152 at Georgetown.

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