Genetic Disorders PPT

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PKU results • Phenylalanine cannot be broken down • Its by-products accumulate in body and result in severe damage to CNS • Mental retardation occurs 2/11/2011 8
Treatment • PKU test performed on newborns • PKU infants given diet low in phenylalanine until brains are fully developed 2/11/2011 9
Page 1 and 2: Genetic Disorders 2/11/2011 1 http:
Page 3 and 4: What alleles are most often affecte
Page 5 and 6: Genetic disorders caused by dominan
Page 7: PKU cause • Recessive disorder
Page 11 and 12: Cystic fibrosis (CF) • Autosomal
Page 13 and 14: CF result • Accumulation of mucus
Page 15 and 16: Tay-Sachs Disease • Autosomal Rec
Page 17 and 18: Tay-Sachs Disease Cont’d • Slow
Page 19 and 20: Huntington’s Disease • Neurolog
Page 21 and 22: Genetic disorders caused by sex-lin
Page 23 and 24: Causes • 1) Error in cell divisio
Page 25: How are unusual #’s of chromosome
Page 28 and 29: Results of abnormal # of chromosome
Page 30 and 31: Characteristics • Mental retardat
Page 32 and 33: Turner syndrome XO • Females •
Page 34 and 35: Klinefelter’s syndrome XXY 2/11/2
Page 36 and 37: Diabetes (con’d) • Genetic pred
Page 38 and 39: Galactosemia • Rare genetic disor
Page 40 and 41: Genetic Counseling • 1) Determine
Page 42: Amniocentesis needle inserted into

Genetic Disorders PPT

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