revisions Flashcards
sickle cell anaemia
autosomal recessive
cystic fibrosis
autosomal recessive
achondroplasia
autosomal dominant
huntington’s disease
autosomal dominant
duchenne muscular dystrophy
sex linked
haemophilia
sex linked
down syndrome
trisomy 21 numerical abnormality arising from non-disjunction
patau syndrome
trisomy chromosome 13
Edward’s syndrome
trisomy 18
turner syndrome
45 x - female phenotype but infertile
klinefelter syndrome
male phenotype 17 XXY
what are the methods for DNA detection
PCR electrophoresis RFLP analysis ARMS DNA sequencing
what is the PCR technique
denature (94c), anneal(50-70c), extend(70-75c), repeat
HNPCC - hereditary nonpolyposis colorectal cancer is
autosomal dominant condition triggered from the failure of mismatch repair genes resulting in microsatellite DNA instability
consanguinity means
marriage between close blood relatives