Lab 6 Flashcards
1
Q
Turner’s Syndrome
A
-single X chromosome
2
Q
Down Syndrome
A
- trisomy 21
- 3 “21” chromsomes
3
Q
Klinefelter Syndrome
A
-extra X chromosome
4
Q
polygenic traits
A
phenotypic traits that involve contributions from the alleles of many genes at multiple locations along chromosomes (human height, skin pigmentation)
5
Q
dermatoglyphics
A
study of the pattern and number of epidermal ridges on the finger
6
Q
what are the 3 main patterns of epidermal ridges?
A
arch, loop, and whorl
7
Q
The crossover frequency between two linked genes is proportional to the __________.
A
distance between them (map units)
