PRE/POST TEST – MEIOSIS with ANSWERS
1. Human body cells have: a. 46 chromosomes; b. 23 chromosomes; c. 46 pairs of chromosomes;
d. 48 chromosomes.
2. The human zygote contains: a. a diploid number; b. 23 pairs of chromosomes; c. a haploid number;
d. a and b.
3. Meiosis produces: a. 23 pairs of chromosomes; b. haploid cells; c. diploid cells; d. somatic cells.
4. Chromatids separate during: a. Anaphase I; b. Telophase I; c. Anaphase II d. Telophase II.
5. During _______________________ homologous chromosomes exchange genes. a. Cytokinesis;
b. Telophase I; c. crossing over; d. Telophase II
6. During the formation of the sperm: a. the cytoplasm divides equally two times; b. the cytoplasm
divides unequally the first time and equally the second time; c. divides only once; d. divides unequally
both times.
7. During the formation of the egg: a. 4 egg cells are formed; b. 3 egg cells and one polar body; c. 2 egg
cells and two polar bodies; d. one egg cell and 3 polar bodies.
8. If one person can roll their tongue and one person cannot they have different _______ for the same
trait: a. chromosomes; b. alleles; c. homologous chromosomes; d. chromatids?
9. Tetrads contain: a. 4 chromatids; b. 4 chromosomes; c. 4 homologous chromosomes; d. 4 genes.
10. Crossing over results in new genetic combinations: a. that are like parent cells but different from
other daughter cells; b. that are unlike the mother parent cell but are like the father parent cell and unlike
the other daughter cell; c. that are unlike both parent cells and unlike the other 3 daughter cells; d.
that are like the mother parent cell but unlike the father parent cell and unlike the other 3 daughter cells.
11. This process reduces the chromosome number in sex cells: a. cytokinesis; b. meiosis; c. crossing
over; d. mitosis.
12. The tetrads line up during: a. Anaphase II; b. Anaphase I; c. Prophase II; d. Metaphase I.
13. The tetrads come together and crossing over occurs during: a. Anaphase I; b. Telophase I; c.
Metaphase I; d. Prophase I.
14. There is no DNA replication during Meiosis II, therefore there is no: a. Prophase I; b. Interphase II;
c.
Metaphase II; d. Anaphase II.
15. How many chromosomes does a human fertilized egg contain? a. 23; b. 46 pairs; c. 23 pairs; d. 92.
Prepared by: Dr. Debbie Payne, Ruth H. Liddell, Shirley K. Scarbrough
Alabama State University, Math, Science Partnership, Spring 2013