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Somatic+ND+-+Sex+det+handout - XYY = M(prison study XYY = M...

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©jlmarsh 2006 XX zygote in mitosis XX XX normal daughter cells XXX X XX X ND gives twin abnormal clones Anaphase lag 21 21 21 21 21 21 21 21 21 21 Somatic non-disjunction in Down's norm ND interphase mitosis = Mosaics SEX CHROMOSOME ABNORMALITIES eg.Man Y determines MALE Dros: X:A ratio, Y is irrelevant XY = M XY = M X0 = Turners F (thus Y det M) X0 = M sterile
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Unformatted text preview: XYY = M (prison study) XYY = M XX = F XX = F XXY = M Kleinfelder(Y det M) XXY = F XXX = F XXX = lethal or super female XXXXXY =M not obtainable| XXXXX =F why viable? lethal Why ? How might these people arise? Normal human Karyotype = 46,XX or 46,XY i.e. 22 pairs of autosomes and the sex chromosomes...
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