NameClassDate11.4 Meiosis Chromosome Number Write True if the statement is true. If the statement is false, change the underlined word to make the statement true.1. The offspring of two parents obtains a single copy of every gene from each parent. 2. A gamete must contain one complete set of genes. 3. A pair of corresponding chromosomes is homozygous. 4. One member of each homologous chromosome pair comes from each gene. 5. A cell that contains both sets of homologous chromosomes is haploid. 6. The gametes of sexually reproducing organisms are haploid. 7. If an organism’s haploid number is 6, its diploid number is 3.Phases of Meiosis On the lines provided, identify the stage of meiosis I or meiosis II in which the event described occurs.8. Each replicated chromosome pairs with its corresponding homologous chromosome. 9. Crossing-over occurs between tetrads. 10. Paired homologous chromosomes line up across the center of the cell. 11. Spindles pull each homologous chromosome pair toward opposite ends of the cell. 12. A nuclear membrane forms around each cluster of chromosomes and cytokinesis follows, forming two new cells. 13. Chromosomes consist of two chromatids, but they do not pair to form tetrads. 14. A nuclear membrane forms around each cluster of chromosomes and cytokinesis follows, forming four new cells. 15. Draw two homologous pairs of chromosomes (in different colors if you have them) in these diagrams to illustrate what happens during these three phases of meiosis.16. Identify which phase of meiosis is shown in the diagrams below.Use this diagram to answer Questions 18–20.17. What does the diagram show? 18. During what phase of meiosis does this process occur? 19. What is the result of this process?Comparing Meiosis and Mitosis20. Complete the table to compare meiosis and mitosis. MitosisMeiosisForm of reproduction Number of daughter cells Change in chromosome number Number of cell divisionsDifference in alleles between parent cell and daughter cellsFor Questions 22–27, complete each statement by writing the correct word or words.21. A diploid cell that enters mitosis with 16 chromosomes will divide to producedaughter cells. Eachof these daughter cells will havechromosomes.22. If the diploid number of chromosomes for an organism is 16, each daughter cell after mitosis will contain chromosomes. 23. A diploid cell that enters meiosis with 16 chromosomes will pass through producing 24. Gametes have acell divisions,daughter cells, each withchromosomes.number of chromosomes.25.
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If an organism’s haploid number is 5, its diploid number is.26. While a haploid number of chromosomes may be even or odd, a diploid number is always.