Chapter 13 - Meiosis

Question 1

What “step” in meiosis creates 2 haploid cells by separating homologus pairs?

Answer 1

Meiosis 1

Question 2

What “step” in meiosis creates 4 haploid cells by separating sister chromatids?

Answer 2

Meiosis 2

Question 3

What is a tetrad?

Answer 3

Homologus chromosomes buddies up to each other

Question 4

Whenever we swap genes, it’s from a non-sister chromatid of a homologus pair. What is the called?

Answer 4

Recombination or “crossing-over”

Question 5

What is independent assortment?

Answer 5

Each pair of chromosomes segregate independently from each other pair of chromosomes during gamete formation. Which pole the chromosomes migrate to is established in metaphase. Actual movement to the poles happens during anaphase.

Question 6

Asexual organisms never go through meiosis. True or false?

Answer 6

True

Question 7

Anaphase 1

Answer 7

Stage of meiosis where tetrads split

Question 8

Anaphase 2

Answer 8

Stage of meiosis where centromeres split

Question 9

Autosome

Answer 9

Non-sex chromosome

Question 10

Centromere

Answer 10

Area where the chromatids of a chromosome are attached

Question 11

Chromatid

Answer 11

One of two identical parts of a replicated chromosome

Question 12

Chromatin

Answer 12

Threadlike DNA present in the nucleus during interphase

Question 13

Germ Cells

Answer 13

Cells that will go through meiosis and become gametes

Question 14

Metaphase 1

Answer 14

Stage of meiosis where tetrads line up

Question 15

Metaphase 2

Answer 15

Stage of meiosis where replicated chromosomes line up

Question 16

Telophase 1

Answer 16

Stage of meiosis where replicated chromosomes are at the poles

Question 17

Telophase 2

Answer 17

Stage of meiosis where un-replicated chromosomes are at the poles

Question 18

Prophase 1

Answer 18

Parents cells nuclear membrane begins to disappear. Spindles form

Question 19

Prophase 2

Answer 19

New spindles form and attach to centromeres