Lecture 18

Question 1

lack I dominance

Answer 1

s > + > -
s represses both genomes

Question 2

loss of function mutation types

Answer 2

promoter mutation, splice, and active site

Question 3

complete dominance/ conicle

Answer 3

the het and dom phenotypes match

Question 4

incomplete dom

Answer 4

het is in between dom and recessive (pink flower) 1:2:1

Question 5

haploinsufficincy

Answer 5

LOF dom to wt
-polydactyly and cri du cat

Question 6

DOM neg mutation

Answer 6

inhibit normal proteins and causes an inactive sub unit

Question 7

p53 is what mutation?

Answer 7

dom neg
-one mutation in a p53 overpowers wt

Question 8

PKU (pale and brain damage) and sickle cell are examples of

Answer 8

pleiotrophy
-one gene many affects

Question 9

fail to complement

Answer 9

genes on same gene

Question 10

drosophilia ebony and black

Answer 10

complement
-both work together to make wt

Question 11

corn snakes color comes from

Answer 11

different locus
r= orange

Question 12

epistasis

Answer 12

one locus gene affects another locus

Question 13

supressor

Answer 13

suppresses effect of a mutation and on a different site than the mutation
-get wt

Question 14

synthetic mutation

Answer 14

both genes for mutation are needed
15:1

Question 15

what mutation was found in drosophila and c elegan apoptosis

Answer 15

RAS synthetic mutation