GIM Flashcards
(39 cards)
What’s the name of the intronless gene that remains function less?
PGK2
FAP which gene?
APC
HNPCC is also known as which syndrome?
Lynch
What is the gene for HNPCC?
MLH1
What criteria is used for HNPCC?
Amsterdam
What syndrome do you get with p53 mutation?
Li Fraumeni
What does leptin do?
What is the difference with obese people?
Inhibits hunger
Decreased sensitivity
BRCA2 gives a 20x risk for which cancer?
Prostate
BRCA1/2 is breast predominantly and which other cancer?
Ovarian (mainly BRCA1)
Tamoxifen is normally converted to endoxifen by which enzyme?
In people with a mutation of this, what happens?
CYP2D6
Worsens breast cancer survival
What is a CPG island?
What happens when it is methylated?
CG clusters around promoter region
Silences whole gene
What is triploidy an example of?
Polyploidy
2 in one egg = ?
Digyny
2 in one sperm = ?
Diplospermy
2 sperms?
Dispermy
Name 3 causes of triploidy?
Digyny
Dispermy
Diplospermy
Diploidy + aneuploidy = ?
Mosaicism
What are the following symptoms representative of: Rockerbottom feet (rounded bottom) Curled fingers (clenched fist)
Edward’s (Trisomy 18)
What are the following symptoms representative of:
Polydactyl
Abnormal genitalia
Patau (Trisomy 13)
What are the following symptoms representative of:
Webbed neck
No puberty
Coarctation of aorta
Turner Syndrome (45X) - affects females
What are the following symptoms representative of:
Lack sexual characteristics - phenotype femaley but male
Long arms and men
Small penis
Gynaecomastia
Klinefelter (47XXY)
- affects males
Premature greying
White forelock
Hypopigmented skin
Different coloured irises (heterochromia)
Waardenburg syndrome
What condition is:
Cr11
IGF2
Beckwith Wiedemann
Beckwitt Wiedemann presents as:
Large tongue
Exomphalos (weakness in front of belly - abdo on outside)
hemi hypertrophy
high risk of wilms tumour