Genetic Terms Flashcards
1
Q
codominance
A
a1 antitrypsin, blood type
2
Q
variable expressivity
A
one gene, varying phenotype; NF1
3
Q
Incomplete penetrance
A
BRCA1
4
Q
Pleiotropy
A
one gene, multiple phenotype; ex. PKU
5
Q
anticipation
A
Try Hunting for MY Fragile Fried Egg; trinucleotide repeat- huntingtons, myotonic type 1, fragile x syndrome, friedreich ataxia
6
Q
loss of heterozygocity
A
Retinoblastoma; Lynch syndrome (HNPCC); Li Fraumeni syndrome
7
Q
Mosaicism
A
McCune albright syndrome
8
Q
Locus heterogeneity
A
Albinism
9
Q
Allelic heterogeneity
A
B thalassemia
10
Q
Imprinting
A
AngelMann and Prader willi syndrome
