Genetics Flashcards
1
Q
Sex-Linked
A
dominant vs. recessive; usually carried on X
2
Q
Sex-Limited
A
i.e. baldness, breast size
3
Q
Turner’s Syndrome
A
females only; XO (missing X chromosome)
4
Q
Klinefelter’s Syndrome
A
XXY found in males
5
Q
Super Males
A
YY
6
Q
PKU
A
interferes w/ enzyme needed to break down certain protein; protein builds up in brain and leads to mental retardation
7
Q
Sickle Cell
A
blood is sickle-shaped
8
Q
Tay Sachs
A
neurodegenerative
9
Q
Huntington’s
A
neurodegenerative
10
Q
Cystic Fibrosis
A
trouble controlling salt levels; mucus build-up in lungs
11
Q
Down’s Syndrome
A
D
12
Q
Concordance Rate
A
likelihood one has trait/disorder given that (usually) related person has it
13
Q
Heritability
A
degree to which trait is attributable to genes rather than environment.
i.e. 60% heritability = 60% genes, 40% environment
