1. Gametes are (Points: 1)
End products of mitosis
Vegetative cells
s*x cells
None of these
2. The fusion of an egg and sperm results in (Points: 1)
Daughter cell
Mother cell
Bud
Zygote
3. If a parent cell has 12 chromosomes, then each daughter cell (gamete) following meiosis will have: (Points: 1)
48 chromosomes
24 chromosomes
6 chromosomes
12 chromosomes
4. To maintain the chromosome number of a species, gamete must be (Points: 1)
Diploid
Haploid
Dominant
Recessive
5. A reduction division occurs during (Points: 1)
Segregation
Independent assortment
Mitosis
Meiosis
6. Homologous chromosomes pair up during (Points: 1)
Metaphase i
Prophase ii
Mitosis
Prophase i
7. Unlike mitosis, meiosis of a single cell results in the formation of (Points: 1)
Two genetically identical cells
Three identical polar bodies
Four genetically identical sperm cells
Four genetically different cells
8. The chromosome number is reduced by meiosis because between meiosis i and meiosis ii (Points: 1)
Crossing over occurs
Dna replication occurs twice
Tetrads develop
Dna replication does not occur
9. Each of the following is related to the process of meiosis except (Points: 1)
Formation of haploid cells
Process of reduction division
Separation of homologous chromosomes
None of these
10. A bivalent (tetrad) is (Points: 1)
A homologous chromosome
A pair of homologous chromosomes
A duplicated chromosome consisting of sister chromatids
The 2 daughter cells after meiosis
11. Match the following terms with the definition. (Points: 10)
Matching:
Answer Potential Matches:
: Haploid cell 1: Production of gametes
2: Half set of chromosomes
3: Production of sperm
4: Both male and female reproductive organs
5: Failure of chromosomes to separate during meiosis
6: Result of fertilization
7: Homologous chromosomes separate
8: s*x cell
9: Simple sexual reproduction
10: Full set of chromosomes
: Diploid cell
: Conjugation
: Anaphase i
: Meiosis
: Gamete
: Hermaphrodite
: Nondisjunction
: Spermatogenesis
: Zygote
12. The female gamete is the egg/ovum. (Points: 1)
True
False
13. Gametes are produced by the process of gametogenesis or mitosis. (Points: 1)
True
False
14. The male gamete is the _______________. (Points: 1)
15. Formation of sperm in the testes is called _______________. (Points: 1)
16. Organs in animals that produce gametes are _______________. (Points: 1)
17. Organisms that have both testes and ovaries are _______________. (Points: 1)
18. Formation of eggs in the ovaries is called _______________. (Points: 1)
19. The fusion of the egg and sperm is called _______________. (Points: 1)
20. If an organism has a chromosome number of 12 its haploid number is _______________. (enter the number) (Points: 1)
21. During meiosis, new gene combinations result from _______________. (two words) (Points: 1)
22. In males, spermatogenesis results in _______________ sperm cells. (enter the number) (Points: 1)
23. Fertilization restores the _______________ number of chromosomes. (Points: 1)
24. Sexual reproduction increases the _______________ within a species. (Points: 1)
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