Ch. 12

Question 1

Holds that sexual reproduction is widespread because o the pressure for constant change resulting from species interactions

Answer 1

Red queen hypo

Question 2

Alleles are forms of a gene with __

Answer 2

slightly different DNA sequences

Question 3

When does independent assortment occur?

Answer 3

Anaphase I

Question 4

What is visible in prophase?

Answer 4

Tetrads

Question 5

Process of tetrad formation?

Answer 5

Syanpsis

Question 6

Chromoem segregation segregates __

Answer 6

homologous chromos

Question 7

Immature reproductive cell

Answer 7

Germ cell

Question 8

Where do germ cells form

Answer 8

reproductive organs

Question 9

Animals?

Answer 9

Meiosis in diploid germ cells makes gametes

Question 10

IN plants, germ cells are

Answer 10

haploid and form by meiosis

Question 11

Which? Condenses into a chromo immediately beforehand

Answer 11

Mitosis

Question 12

When does synapsis occur?

Answer 12

Prophase I

Question 13

When does crossing over occur?

Answer 13

Prophase I

Question 14

Are both followed by

Answer 14

cytokinesis

Question 15

A tetrad is made of

Answer 15

4 chromosomes

Question 16

What comes first: Synapsius or crossing over

Answer 16

synapsis

Question 17

Homologous chromosomes pair

Answer 17

synapsis

Question 18

___ line up in double file

Answer 18

tetrads

Question 19

Is Meiosis II preceded by interphase

Answer 19

no

Question 20

Mitosis: The chromosomes have moved to opposite poles during

Answer 20

anapest

Question 21

Mitosis: When are wchrommos attached to sister chromatids?

Answer 21

Prophase and metaphase

Question 22

Bit: After mitosis and cytokinesis, etchn new cell has a complete set of

Answer 22

46 chromosomes

Question 23

Bit: When are chromo visilbe?

Answer 23

Only during cell division

Question 24

Mit: 3 major

Answer 24

metasais, abnormal chromo number and cytoskeleton, destroy other tissues

Question 25

Do spindle fibers and centrioles form in P?

Answer 25

No just spindles

Question 26

cell goes back to normal in

Answer 26

telophase

Question 27

Binary fission type of reproductino

Answer 27

asexual

Question 28

Asexual uni/muli

Answer 28

mitosis or budding

budding

Question 29

Con A

Answer 29

mutation affects all

Question 30

Pro S

Answer 30

mutations passed down

Question 31

Beta globing makes UP __ has __

Answer 31

hemoglobin

700 alleles

Question 32

dominat and

Answer 32

recessive

Question 33

Plant’s soerm is

Answer 33

polen

Question 34

Holds eggs in plants

Answer 34

carpel

Question 35

in plants, sperm forms by

Answer 35

mitosis

Question 36

Reduction division aka

Answer 36

meiosis

Question 37

X is

Answer 37

copied chromo

Question 38

l is

Answer 38

uncopied chromo

Question 39

__ precedes meiosis

Answer 39

interphase

Question 40

zygote undergoes RMT to form

Answer 40

embryo (down Fallopian tubes )

Question 41

Sperm live up to

Answer 41

3 days

Question 42

how can distinguish between meiosis Ii and mitosis

Answer 42

Meiosis has 2 cells

Question 43

ho many corsia cover

Answer 43

46-95

Question 44

Humans have __ combos

Answer 44

2^23

Question 45

where do spindles bind to

Answer 45

kintecore (region of centromere)

Question 46

Oogenesis and

Answer 46

spermatogenesis

Question 47

__ mature into sperm

Answer 47

spermatids

Question 48

Oogensis takes place I

Answer 48

ovaries

Question 49

Synapsis or crossing over first?

Answer 49

Synapsis