23. Which of the following occurs in meiosis but not in mitosis? a. Chromosome r
ID: 3166395 • Letter: 2
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23. Which of the following occurs in meiosis but not in mitosis? a. Chromosome replication b. Synapsis and crossing over of chromosomes Alignment of chromosomes at the equator or middle c. d. Condensation of the chromosomes 24, Sister chromatids separate from one another during a. Meiosis Ionly b. Melosis Il only C. Mitosis and meiosis I d. 25. Mitosis and meiosis II Prophase I of Meiosis I Anaphase I of Meiosis I When Homologous chr omosomes move toward opposite sides of the cell, it is in a. b. Prophase Ii of Melosis I c. d. Anaphase I of Melosis I 26. Independent assortment of chromosomes occurs during Meiosis I only b. Meiosis II only c. Mitosis and Meiosis I d. a. Mitosis and Meiosis II 2z. wnich of the folowing basource of genetic varaton n gametes? a. Crossing over b. Independent assortment c. Crossing over and independent assortment The process of Mitosis d. 28. How is natural selection related to sexual reproduction as opposed to asexual reproduction? a. Sexual reproduction results in many new gene combinations, some of which will lead to survival for populations b. Sexual reproduction results in the greatest number of new mutations c. Sexual reproduction allows the greatest number of offspring to be produced d. Sexual reproduction utilizes far less energy than asexual reproduction 29. Which of these is a karyotype? a. A display of all the cell types in an organism b. Organized image of a cells chromosomes lined up from largest to smallest The appearance of an organism A display of a cell's mitotic stages c. d. The four daughter cells that are produced by Meiosis are a. b. c. Diploid and represent the gametes d. 30. Haploid and represent the gametes Haploid and represent somatic cells Diploid and represent the somatic cellsExplanation / Answer
23. Synapsis and crossing over of chromosomes occurs during meiosis and not in mitosis.
24. Sister chromatids separate from one another during mitosis and meiosis II.
25. When homologous chromosomes move towards opposite poles of the cells, it is in anaphase I of meiosis I.
26. Independent assortment of chromosomes occurs during meiosis I only
27. Crossing over and independent assortment is the source of genetic variation in gametes.
28. Sexual reproduction results in many new gene combinations, some of which leads to survival of populations.
29. Karyotype is an organized image of a cell's chromosomes lined up from largest to smallest.
30. Four daughter cells that are produced by meiosis are haploid and represents the gametes.
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