Part A: Lecture 3

Question 1

animals: sexes

Answer 1

separate males + females

Question 2

plants: sexes

Answer 2

male + female parts together

Question 3

yeast: sexes

Answer 3

mating types

Question 4

animals: 2n -> n

Answer 4

meiosis

Question 5

plants: 2n -> n

Answer 5

meiosis

Question 6

yeast: 2n -> n

Answer 6

meiosis

Question 7

animals: n -> 2n

Answer 7

fertilization

Question 8

plants: n -> 2n

Answer 8

fertilization

Question 9

yeast: n -> 2n

Answer 9

cell fusion

Question 10

male parts of corn (___) produces ____ (male gametes)

Answer 10

-tassel
-pollen

Question 11

female parts of corn (___) produces ____ (female gametes)

Answer 11

-ear shoot
-eggo

Question 12

corn plants do this form of pollination?

Answer 12

cross-pollination by wind (they can’t self-pollinate)

Question 13

fertilized eggs in ear shoot of corn become ____

Answer 13

kernels attached to a cob

Question 14

cytokinesis of yeast is ___

Answer 14

unequal (budding)- produces smaller daughter cells

Question 15

yeast has ____ as mating types (not sexes)

Answer 15

a + α (alpha)

Question 16

a (yeast)

Answer 16

haploid (n=16)

Question 17

α (yeast)

Answer 17

haploid (n=16)

Question 18

a/α (yeast)

Answer 18

diploid (2n=32)

Question 19

cell fusion (yeast)

Answer 19

a + α = a/α

Question 20

meiosis (yeast)

Answer 20

a/α -> a, a, α, α

Question 21

type of cells that can do mitosis (yeast)

Answer 21

-haploid, diploid

Question 22

Yeast haploid cells use ____ (not fertilization) to make diploid cells

Answer 22

cell fusion (a + α = a/α)