Mitosis/Meiosis Review

Question 1

How do we count chromosomes?

Answer 1

By the # of centromeres

Question 2

At the beginning of Meiosis I how many chromosomes does the cell contain?

Answer 2

46 chromosomes

Question 3

At the beginning of MI how many chromatids does the cell contain?

Answer 3

92 chromatids

Question 4

At the end of MI how many chromosomes does the cell contain?

Answer 4

23 chromosomes

Question 5

At the end of MI how many chromatids does the cell contain?

Answer 5

46 chromatids

Question 6

At the end of MII how many chromosomes does the cell contain?

Answer 6

23 chromosomes

Question 7

At the end of MII how many chromatids does the cell contain?

Answer 7

23 chromatids

Question 8

Immediately after fertilization, how many chromosomes does the zygote contain?

Answer 8

46

Question 9

Immediately after fertilization, how many chromatids does the zygote contain?

Answer 9

46

Question 10

The zygote prepares to divide….Immediately before the first mitotic division, the cell contains how many chromatids?

Answer 10

92 chromatids

Question 11

There are now 2 cells in the embryo. How many chromosomes does each cell contain?

Answer 11

46

Question 12

There are now 2 cells in the embryo. How many chromatids does each cell contain?

Answer 12

46