8a stuff

Question 1

material of which chromatids are made

Answer 1

Chromatin

Question 2

proteins around which dna strands coild

Answer 2

histones

Question 3

carry genetic info

Answer 3

chromosomes

Question 4

segments of DNA that contain info for traits

Answer 4

genes

Question 5

each half of a chromosome

Answer 5

chromatid

Question 6

where chromatids are joined in the center

Answer 6

centromere

Question 7

map of cells chromosomes

Answer 7

Karyotype

Question 8

before the cell divides the chromosomes duplicate to form an x

Answer 8

yes

Question 9

humans only have one pair of sex chromosomes

Answer 9

true

Question 10

autosomes are homologous

Answer 10

yes

Question 11

sex chromosomes are not homologous

Answer 11

true

Question 12

three stages of cell cycle

Answer 12

interphase, mitosis and cytokinesis

Question 13

90-95% of all cells are in interphase

Answer 13

wow

Question 14

Parent cells that undergo mitosis produce two identical daughter cells

Answer 14

cool

Question 15

section of DNa that codes for a specififc trait

Answer 15

gene

Question 16

whats the difference between autosome and sex chromosomes

Answer 16

autosome is all chromosomes except sex chromosomes and sex chromosomes determine sex of animal

Question 17

pairs of chromosomes that carry the same gene

Answer 17

homologous

Question 18

cells spend most of their time in interphase

Answer 18

true

Question 19

miosis produces

Answer 19

4 different gametes

Question 20

2 chromosomes exchange info

Answer 20

crossing over

Question 21

where the cells seperate

Answer 21

cytokinesis

Question 22

seperate cells

Answer 22

spindles

Question 23

when counting chromosomes

Question 24

4 phases of meiosis

Answer 24

pmat