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Cybered Meiosis
Name __________________________
1. All living organisms are composed of at least one cell.
A. True
B. False
2. In a eukaryotic cell ________.
A. the DNA is housed in a membrane-bound structure called the nucleus.
B. the DNA is compacted along with proteins into chromosomes.
C. both A & B.
D. none of the above.
3. Which term listed below describes the process by which a cell's nucleus divides in half?
A. sexual reproduction B. asexual reproduction
C. mitosis
D. cytokinesis
4. ________ is the division of a cell's cytoplasm following nuclear division.
A. Cytokinesis B. Meiosis
C. The pinching effect
D. Prophase
5. When a single-cell organism divides to produce two new organisms with exactly the same DNA as the parent, its method of
reproduction is termed ________.
A. sexual reproduction B. asexual reproduction C. cleavage
6. The sperm and ova are gametes.
A. True
D. morphogenesis
B. False
7. During fertilization a sperm cell and an ovum unite to form a ________.
A. blastula
B. gastrula
C. fetus
D. zygote
8. Within a cell, DNA - the cell's genetic material - is compacted along with proteins into threadlike structures called ________.
A. mitochondria
B. genes
C. chromosomes
D. helices
9. A typical human cell contains 78 chromosomes.
A. True
B. False
10. A __________ is a display of the chromosomes within a cell which have been stained and organized into matching pairs based
on their length, centromere position, and staining pattern.
A. karyotype
B. prototype
C. chromosomal diagram
D. geneticist's palette
11. Chromosomes that have the same length, centromere position, and staining pattern are called ________.
A. twin chromosomes B. coupled chromosomes
C. sex chromosomes D. homologous chromosomes
12. The X and Y chromosomes are called ________, while all other chromosomes within a cell are called ________.
A. sex chromosomes, autosomes
B. alphabetical chromosomes, numerical chromosomes
C. autosomes, sex chromosomes
D. hyperchromosomes, hypochromosomes
13. ________ is a two-stage type of cell division that results in the formation of four cells with half the number of
chromosomes of the original cell.
A. mitosis
B. meiosis
C. gametogenesis
D. cytokinesis
Cybered Meiosis
Name __________________________
14. Meiosis takes place in the ________ of males and the ________ of females.
A. penis, uterus
B. testes, ovaries
C. pituitary gland, pituitary gland
D. somatic cells, somatic cells
15. The sperm and egg cells contain half the number of chromosomes of their parent cells. Therefore, they are said to be ________.
A. diploid
B. sex cells
C. triploid
D. haploid
17. During the S phase of the cell cycle, each chromosome in the cell duplicates to form another identical chromosome. Each copy
of a chromosome is called a __________.
A. twins
B. sibling chromosomes
C. chromatid
D. clones
18. Which of the following describes the proper order of the phases of meiosis I and meiosis II?
A.
B.
C.
D.
prophase, metaphase, telophase, anaphase
anaphase, prophase, metaphase, telophase
prophase, metaphase, anaphase, telophase
prophase, telophase, anaphase, metaphase
19. During prophase of meiosis I homologous chromosomes donated by the father pair up with homologous chromosomes
donated by the mother to form a ________. This process is called ________.
A. chiasmata, synapsis
B. tetrad, synapsis
D. bridge, agglutination
C. synapsis, tetrad
20. Crossing over of non-sister chromatids results in genetic variability.
A. True
B. False
21. During ________ pairs of homologous chromosomes separate and two haploid daughter cells are formed.
A. meiosis I
B. meiosis II
C. mitosis
D. cytokinesis
22. During ________ the sister chromatids of homologous chromosomes separate and four haploid daughter cells are formed.
A. meiosis I
B. meiosis II
C. mitosis
D. cytokinesis
23. ________ is the process by which sperm cells are formed.
A. Oogenesis
B. Fertilization
C. Jiffy sperm
D. Spermatogenesis
24. Spermatogenesis takes place within the ________ of the testes.
A. interstitial cells
B. intratesticular spaces
C. seminiferous tubules
D. tunnels
25. ________ is the process by which ova are formed.
A. Oogenesis B. Spermatogenesis C. Ovatine D. Fertilization
26. Oogenesis takes place within the ________ of a female.
A. ovary B. uterus C. stomach D. urethra