packet

Question 1

What is the structure that organizes spindle fibers called?

Answer 1

centrosome

Question 2

what makes up centrosomes?

Answer 2

centrioles

Question 3

what is the act of cells separating called?

Answer 3

cytokinesis

Question 4

during anaphase I of meiosis_____chromosomes separate, but in anaphase II _______ chromatids separate

Answer 4

homologous, sister

Question 5

What is a type of cell that enters mitosis frequently?

Answer 5

stomach cells

Question 6

During which phase do chromosomes condense

Answer 6

prophase

Question 7

how many times does the cell divide during mitosis? Meiosis?

Answer 7

once in mitosis twice in meiosis

Question 8

During what phase does crossing over occur?

Answer 8

Prophase I of meiosis

Question 9

What event occurs in order for crossing over to occur?

Answer 9

synapsis

Question 10

What three phase make up interphase?

Answer 10

G1, s-phase, G2

Question 11

Aneuploid

Answer 11

Abnormal number of chromosomes

Question 12

Polypoid

Answer 12

Entire set of chromosomes is duplicated

Question 13

Trisomic

Answer 13

Gametes with an extra chromosome

Question 14

Monosomic

Answer 14

Having only one copy of a particular chromosome

Question 15

How many checkpoints in cell cycle?

Answer 15

Three checkpoints

Question 16

What doe Rb suppress?

Answer 16

E2F

Question 17

What is nondisjunction?

Answer 17

when chromatids fail to separate

Question 18

what is synapsis?

Answer 18

The physical pairing of two homologous chromosomes in prophase I of meiosis

Question 19

What does DNA in chromosomes wrap themselves around?

Answer 19

Histones

Question 20

How do cells replicate

Answer 20

Growth, wound repair, and reproduction

Question 21

What does DNA in chromosomes wrap themselves around?

Answer 21

Histones

Question 22

How do cells replicate

Answer 22

Growth, wound repair, and reproduction