Name_________________________
Hour_________________________
Date_________________________
Meiosis Quiz (30 pts) p. 270-276
Directions: Fill in the blank. (20 pts)
1. DNA segments found on chromosomes are called _______________________.
2. The kind of cell division which produces gametes containing half the number of chromosomes as the
parent’s body cell is called ____________________________.
3. Meiosis produces ______________________, which are sex cells that have half the number of
chromosomes as the parent’s body cell.
4. A human body cell is also called a ____________________ cell.
5. There are ________ chromosomes in a human body cell.
6. There are _______ chromosomes in a human sex cell.
7. The diploid number for humans is 2n = ___________.
8. The haploid number for humans is n = ___________.
9. Paired chromosomes, one from each parent, that carry genes for a specific trait at the same location are
called _________________________ ___________________________.
10. Male gametes are called _________________ and female gametes are called __________________.
11. The process by which one haploid gamete combines with another haploid gamete is called
_________________________.
12. Leopard frogs have 26 chromosomes in all of their body cells. How many chromosomes do they have in
their sex cells? _________________
13. Meiosis consists of two cell divisions called ____________________ and ____________________.
14. With respect to meiosis, during which stage does DNA replication occur? ______________________
15. ______________________ is a process during which chromosomal segments are exchanged between a
pair of homologous chromosomes.
16. Crossing over occurs during ________________________ of meiosis.
17. Homologous pairs of chromosomes line up at the equator of the cell during ______________________
of meiosis.
18. For a cell in which 2n = 8, how many chromosomes will be in each cell at the end of Meiosis I?
_______________
Directions: Short answer. (12 pts)
19. Compare and contrast Mitosis with Meiosis.
Mitosis
Compare/Same
Meiosis
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20. Draw a diploid cell in which 2n = 4. (8 pts)
 Label sister and nonsister chromatids.
 Label the homologous pairs of chromosomes.
 Show where crossing over would occur.
 Draw the four haploid gametes that would result from meiosis and show the genetic variety of
the chromosomes due to crossing over.