Читать книгу Primary Care for COMLEX Level 1 - Dr. Jahan Eftekar - Страница 31
28. CHROMOSOMAL ABERRATIONS
Оглавление•Down’s Syndrome ⇔ Trisomy 21, non-disjunction, mental retardation, Simian crease
•Edwards’s ⇔ Trisomy 18, PDA, Clenched fist
•Patau’s ⇔ Trisomy 13, syndactyly, mental retardation
•Cri du chat ⇔ Chromosome 5, mental retardation, microencephaly
•Klinefelter’s ⇔ XXY, male hypogonadism, low IQ, Barr bodies (buccal smear)
•XYY Syndrome ⇔ violent behavior, severe acne
•XXX Syndrome ⇔ mental retardation
•Turner’s syndrome ⇔ XO, female hypogonadism, no Barr bodies
•Fragile X ⇔ Frequency of mental retardation is second after Down’s, long arm of chromosome X defect