Chapter 8: Chromosomes and Cell Cycle

Question 1

Histones

Answer 1

protein that DNA wraps around

Question 2

Chromatin

Answer 2

DNA wrapped around histones

Question 3

Chromosome

Answer 3

chromatin condensed prior to cell division

Question 4

Centromere

Answer 4

where sister chromatids are attached to each other

Question 5

Sister chromatids

Answer 5

duplicate copies of chromatids

Question 6

Single chromosomes

Answer 6

1 chromosome = 1 chromatid

Question 7

Double chromosomes

Answer 7

1 chromosome = 2 sister chromatids

Question 8

Diploid (2N)

Answer 8

cells with 2 sets of chromosomes ; somatic cells (body)

Question 9

Haploid (1N)

Answer 9

cells with 1 set of chromosomes ; gametes (egg or sperm)

Question 10

Somatic cells

Answer 10

body cells ; 2N

Question 11

Gametes

Answer 11

sex/reproductive cells ; 1N

Question 12

Autosome

Answer 12

codes for your body

Question 13

Sex chromosome

Answer 13

determines your biological sex

Question 14

Binary fission

Answer 14

cell division for prokaryotes

Question 15

G1

Answer 15

cells grows in size

Question 16

S

Answer 16

DNA replication

Question 17

G2

Answer 17

makes more cell parts/organelles

Question 18

Mitosis

Answer 18

division of the nucleus

Question 19

Cytokinesis

Answer 19

division of cytoplasm

Question 20

Checkpoints

Answer 20

fix/checks mutations

Question 21

Cancer

Answer 21

abnormal cell division