Exam 4

Question 1

A cell in G2 of interphase will have how much DNA compared to the same cell when it was in G1 of interphase?

Answer 1

Twice as many

Question 2

A cell in G2 of interphase will have how many chromosomes compared to that same cell when it was in G1 of interphase?

Answer 2

Equal

Question 3

Cell Reproduction

Answer 3

1) Division of the nucleus
- Karyokinesis (mitosis, meiosis)
2) Division of the cytoplasm
- Cytokinesis

Question 4

Mitosis

Answer 4

Produces identical daughter cells

Question 5

A cell in Anaphase of mitosis will have how many chromosomes compared to that same cell when it was in G1 of interphase?

Answer 5

Twice as many

Question 6

A cell in metaphase of mitosis will have how many chromosomes compared to that same cell when it was in G2 of interphase?

Answer 6

Same number

Question 7

What stages is CDK present?

Answer 7

G1, S, G2

Question 8

The diploid number of chromosomes for a horse is 64. What is the haploid number?

Answer 8

32

Question 9

The haploid number of chromosomes for a hedgehog is 44. What is the diploid number?

Answer 9

88

Question 10

A human with 47 chromosome would be considered

Answer 10

Polypoid

Question 11

Prophase

Answer 11

Nuclear envelope breaks down, chromosomes attach to the spindle

Question 12

Metaphase

Answer 12

Pairs line up in the center

Question 13

Ananphase

Answer 13

Replicated chromosomes separate and begin to fall apart

Question 14

Telophase

Answer 14

Chromosome moves to spindle poles, bunches into two groups

Question 15

Cytokinesis

Answer 15

cells separate

Question 16

How do chromosomes move on the spindle?

Answer 16

Kinetochore destroys the spindle, making it shorter

Question 17

What determines if a cell divides?

Answer 17

G1 and G2 checkpoints

Question 18

Why does the second division of meiosis occur

Answer 18

Crossing over

Question 19

Genotype Aa can only produce what alleles

Answer 19

A and a

Question 20

Homozygous dominant

Answer 20

AA

Question 21

Homozygous recessive

Answer 21

aa

Question 22

Heterozygous

Answer 22

Aa

Question 23

A dihybrid cross does what?

Answer 23

Cross between F1

Question 24

Example of co-dominance

Answer 24

Blood type AB

Question 25

What genes are located on the X chromosome

Answer 25

Hemophilia, red-green color blindness, muscular dystrophy

Question 26

What genes are located on the Y(male) chromosome

Answer 26

Hairy ears

Question 27

What is pleiotrophy

Answer 27

one gene has multiple phenotypes

Question 28

Example of pleiotrophy

Answer 28

Sickle-cell disease