3.2 peobability

Question 1

rule of multiplication

Answer 1

multiply probabilities of each event. Only if the events can happen simultaneously

Question 2

codominance

Answer 2

brown+white= brown and white

Question 3

incomplete dominance

Answer 3

white+red=pink

Question 4

yay sachs disease

Answer 4

recessive

Question 5

pleiotropy

Answer 5

single gene effects a lot

Question 6

environment impact

Answer 6

sun=tan skin
nutrition=taller, stronger

Question 7

x inactivation

Answer 7

x chromosome is inactivated. causes calico cats

Question 8

chi squared formula

Answer 8

(o-e)^2/e

Question 9

if chi squared is larger than p value then

Answer 9

it does not support the null hypothesis

Question 10

null hypothesis

Answer 10

what you would expect

Question 11

degrees of freedom

Answer 11

number of phenotypic possibilities minus one

Question 12

map distance

Answer 12

how close genes are together. The closer the more likely they are to be expressed together. red hair and freckles

Question 13

autosome vs sex linked

Answer 13

a- both male and female
sex- usually either or

Question 14

how to tell how far apart two genes are from a chart

Answer 14

find the mean

Question 15

environment does what

Answer 15

only changes genotyping expression not actual genes

Question 16

nondisjunction

Answer 16

chromosome has failed to separate

Question 17

barr body

Answer 17

inactive x chromosome

Question 18

who determines sex of offspring

Answer 18

males

Question 19

recombination frequency

Answer 19

recombinants/ total x100

Question 20

parental vs recombinants

Answer 20

like parents and unlike parents

Question 21

down syndrome is caused by

Answer 21

nondisjunction

Question 22

mitosis is used for

Answer 22

cell duplication for healing- exact duplicates