chapter#11

Question 1

At the end of the first stage is it a diploid or a haploid?

Answer 1

Haploid

Question 2

in comparing somatic cells and gametes, somatic cells are….
A. diploid with half the number of chromosomes
B. haploid with half the number of chromosomes
C. diploid with twice the number of chromosomes
D. haploid with twice the number of chromosomes

Answer 2

C. diploid with twice the number of chromosomes

Question 3

what are homologous chromosomes?

Answer 3

2 genetically similar chromosomes, one from each parent

Question 4

Chiasmata from

Answer 4

between homologous chromosomes

Question 5

what is crossing over?

Answer 5

allows homologous to exchange chromosomal material

Question 6

what happens during anaphase 1

Answer 6

homologous chromosomes more to opposite poles

Question 7

At metaphase 1 the kinetochores of sister chromatids are

Answer 7

attached to microtubules from the same pole.

Question 8

what occurs during anaphase of meiosis 2?

Answer 8

sister chromatids are pulled to opposite poles

Question 9

which of the following does not contribute to genetic diversity?
A. independent assortment
B. recombination
C. Metaphase of meiosis 2
D. metaphase of meiosis 1

Answer 9

C. metaphase pf meiosis 2

Question 10

how does DNA replication differ between mitosis and meiosis?

Answer 10

during mitosis there is only one round of replication for 2 divisions

Question 11

what is a centrosome what cell kind of cell is it found in?