Lab 6

Question 1

Turner’s Syndrome

Answer 1

-single X chromosome

Question 2

Down Syndrome

Answer 2

• trisomy 21

- 3 “21” chromsomes

Question 3

Klinefelter Syndrome

Answer 3

-extra X chromosome

Question 4

polygenic traits

Answer 4

phenotypic traits that involve contributions from the alleles of many genes at multiple locations along chromosomes (human height, skin pigmentation)

Question 5

dermatoglyphics

Answer 5

study of the pattern and number of epidermal ridges on the finger

Question 6

what are the 3 main patterns of epidermal ridges?

Answer 6

arch, loop, and whorl

Question 7

The crossover frequency between two linked genes is proportional to the __________.

Answer 7

distance between them (map units)