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Meiosis Study Guide & Quiz

Meiosis produces gamete cells and involves two cell divisions. Homologous chromosomes are chromosome pairs with the same genes in different individuals. Meiosis involves two cell divisions. Crossing over occurs in prophase I and involves the exchange of genetic material between nonsister homologous chromosomes. At the end of meiosis II, four cells are produced that each contain half the number of chromosomes as the original cell.

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418 views2 pages

Meiosis Study Guide & Quiz

Meiosis produces gamete cells and involves two cell divisions. Homologous chromosomes are chromosome pairs with the same genes in different individuals. Meiosis involves two cell divisions. Crossing over occurs in prophase I and involves the exchange of genetic material between nonsister homologous chromosomes. At the end of meiosis II, four cells are produced that each contain half the number of chromosomes as the original cell.

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Meiosis Practice

1. What type of cell is produced by meiosis?

Gamete cells

or

Somatic cells

2. What are homologous chromosomes?


3. How many times do cells divide during meiosis? _______
4. What are the stages of meiosis called?
Meiosis I: _________________, _____________________, _________________,
____________________/cytokinesis
Meiosis II: _________________, _____________________, _________________,
____________________/cytokinesis
5. Which of
a.)
b.)
c.)

the following best describe the term crossing over?


An exchange of genetic information between two homologous chromosomes
A molecular interaction between two sister chromatids
A molecular interaction between two non-sister
chromatids
d.) A separation of two sister chromatids

11. Crossing-over can be found in the stage of


a.) Prophase I
b) Prophase II
c) Anaphase I
d) Anaphase II
12. Which letter in this figure represents meiosis? Why?

13. Which letter in this figure #2 represents mitosis? Why?

14. What process is shown in letter B in this Figure?

15. How many cells form at the end of Meiosis II and how many chromosomes do they contain?
_____________, _____________
16. Is DNA copied before Meiosis II? _______ Why?

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