13. Meiosis differs from mitosis in that: a. meiosis results in the production o

Question

13. Meiosis differs from mitosis in that:
a. meiosis results in the production of two new cells, while mitosis results in the production for four new
cells., b. meiosis is used for growth and repair, while mitosis is used for production of eggs and sperm., c.
cytokinesis can be unequal following meiosis, but is approximately equal following mitosis., d. meiosis
involves one cell division, while mitosis involves two cell divisions., e. meiosis results in the production of
diploid cells, while mitosis results in the production of haploid cells.
14. Bits of maternal and paternal chromosomes are exchanged between homologous chromosomes during
synapsis of meiosis I. This process is called:
a. crossing over., b. random mating., c. random fertilization., d. random shuffling of parental
chromosomes.,
e. mutation.
15. The advantage of sexual reproduction over asexual reproduction is that:
a. all young are genetically identical to the parent., b. males must evolve a copulatory organ., c. genetic
variability in the population is increased., d. females must evolve a vagina., e. mates are not needed.
16. Many different types of information are used to construct phylogenetic trees. Which of the following types
of information is the most direct measure of evolutionary relatedness?
a. physiology, b. gene sequence data, c. the fossil record, d. information about the structure of ribosomes.,
e. information about the structure of enzymes
17. A species is:
a. a group of individuals that can interbreed under natural conditions and produce fertile offspring., b.
denoted by both a genus and a species name., c. the only biologically defined taxon., d. a group of
organisms with a large number of traits in common., e. all of the above.
18. The process of spermatogenesis results in:
A. 4 diploid sperm; B. 1 diploid sperm and 3 haploid polar bodies; C. 1 haploid sperm and 3 haploid
polar bodies; D. 4 haploid sperm
19. Which cell division process results in an unequal division of the cytoplasm?
A. Spermatogenesis; B. Testiculargenesis; C. Oogenesis; D. None of the above
20. Meiosis is the process by which:
A. 1 diploid cell becomes 4 haploid cells; B. 1 diploid cell becomes 1 haploid cell and 3 haploid polar
bodies; C. 1 haploid cell becomes 4 diploid cells; D. Both A and B
21. The phase of mitosis where chromosomes line up at the equator (middle) of the cell is called:
A. Anaphase; B. Telophase; C. Interphase; D. Metaphase
22. Chromosome #6 from Mom and Chromosome #6 from Dad form a chromosome pair called:
A. Sister Chromatids; B. Centromeres; C. Homologous Chromosomes; D. Spindle Apparatus

Explanation / Answer

13. Meiosis differs from mitosis in that:

a. meiosis results in the production of two new cells, while mitosis results in the production for four new
cells., b. meiosis is used for growth and repair, while mitosis is used for production of eggs and sperm., c.
cytokinesis can be unequal following meiosis, but is approximately equal following mitosis., d. meiosis
involves one cell division, while mitosis involves two cell divisions., e. meiosis results in the production of
diploid cells, while mitosis results in the production of haploid cells.

14. Bits of maternal and paternal chromosomes are exchanged between homologous chromosomes during
synapsis of meiosis I. This process is called:
a. crossing over., b. random mating., c. random fertilization., d. random shuffling of parental
chromosomes.,
e. mutation.

15. The advantage of sexual reproduction over asexual reproduction is that:
a. all young are genetically identical to the parent., b. males must evolve a copulatory organ., c. genetic
variability in the population is increased., d. females must evolve a vagina., e. mates are not needed.

16. Many different types of information are used to construct phylogenetic trees. Which of the following types
of information is the most direct measure of evolutionary relatedness?
a. physiology, b. gene sequence data, c. the fossil record, d. information about the structure of ribosomes.,
e. information about the structure of enzymes

17. A species is:
a. a group of individuals that can interbreed under natural conditions and produce fertile offspring., b.
denoted by both a genus and a species name., c. the only biologically defined taxon., d. a group of
organisms with a large number of traits in common., e. all of the above.

18. The process of spermatogenesis results in:
A. 4 diploid sperm; B. 1 diploid sperm and 3 haploid polar bodies; C. 1 haploid sperm and 3 haploid
polar bodies; D. 4 haploid sperm

19. Which cell division process results in an unequal division of the cytoplasm?
A. Spermatogenesis; B. Testiculargenesis; C. Oogenesis; D. None of the above

20. Meiosis is the process by which:
A. 1 diploid cell becomes 4 haploid cells; B. 1 diploid cell becomes 1 haploid cell and 3 haploid polar
bodies; C. 1 haploid cell becomes 4 diploid cells; D. Both A and B

21. The phase of mitosis where chromosomes line up at the equator (middle) of the cell is called:
A. Anaphase; B. Telophase; C. Interphase; D. Metaphase

22. Chromosome #6 from Mom and Chromosome #6 from Dad form a chromosome pair called:
A. Sister Chromatids; B. Centromeres; C. Homologous Chromosomes; D. Spindle Apparatus

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