Bio (Exam 4) Meiosis

Question 1

what is meiosis?

Answer 1

cell division that generates gametes for sexual reproduction

Question 2

What does ploidy mean?

Answer 2

number of sets of chromosomes

Question 3

What is the difference between haploid and diploid cell?

Answer 3

Haploid cells contain only one set of chromosomes and diploid contains two sets of chromosomes

Question 4

Homologous chromosomes

Answer 4

matching pair of chromosomes

Question 5

germ cell

Answer 5

diploid cell that undergoes meiosis

Question 6

Crossing over (Prophase I)
why?

Answer 6

increase genetic diversity of gametes

Question 7

How many chromosomes does sperm and eggs have?

Answer 7

23 each = 46 together

Question 8

In Meiosis how many chromosomes and chramatids do you have in the beginning?

Answer 8

46 chromosomes and 92 chromatids

Question 9

Stages of Meiosis?

Answer 9

Prophase I
Metaphase I
Anaphase I
Telophase I

Prophase II
Metaphase II
Anaphase II
Telophase II

Question 10

Crossing over

Answer 10

homologous chromosomes pair up and transfer their genetic information and exchange it between eachother