Cell Division HW Bubble your answer in the questions and fill up the answer tabl

Question

Cell Division HW Bubble your answer in the questions and fill up the answer table on page 0 Fig1 1-4, Identify the phases of cell division in Fig 1 B) Prophase CJAnaphase DITelophase 5.A cell in the basal layer of the skin contains 46 chromosomes and divides by mitosis to produce new skin cells. After ten successive divisions, how many chromosomes will the basal cell have? A)460 BH6 D)46000 E46000 6. What is the outcome of the completion of a cell cycle? Ajfour cells, each with the same amount of genetic material and the same genetic information 8) two cells, each with the same amount of genetic material but with different genetic information Ci two cells, each with the same amount of senetic material and the same senetic intormation Di four cels, each with the same amount of senetic material but with different genetic information E) two cells with different amounts of genetic material chromosomes? 7. What is the relationship between genes and A) Chromosomes are proteins that carry genes made of DNA. 8) Genes are the proteins encoded by chromosomes. C) Genes are the proteins around which DNA chromosomes are packaged D) Genes are the A, T, C, G bases on the nucleotides of chromosomes E) A chromosome is a DNA molecule with many genes 8. What is the relationship between genes and genome? A) Genomes are proteins that package genes. 8) The genome means the entire collection of genes C) Genes are the proteins that package the genome D) Genes are the protein enzymes that are encoded by the genome E) Genomes are the A, T, C, G bases that contain information in genes. 9.Which cell structure physically moves the cell' chromosomes? A) plasma membrane B) cell wal E) cell plate C) microtubule spindle D) contractile ring 10.Homologous chromosomes separate during which phase of melosis: A. prophase I B. anaphase I D. anaphase ll E. metaphase

Explanation / Answer

Answer:

1. B. Prophase

2. A. Metaphase

3. C. Anaphase

4. D. Telophase

5. B. 46: In mitosis, Cell divided and gives two daughter cells with constant amount of genome (2n).

6. C. Two cells, Same amount of genitic mateial with same genetic information.

7. E. A chromosome is a DNA molecule with many genes (Having histone proteins)

8. B. The genome means entire collection of genes.

9. C. Microtuble spindle

10. B. Anaphase I

11. B. Four haploid Daughter cells

12. B. Prophase I, Meiosis

13. E. There will be the less genetic variations in subsequent generations.

14. E. Bothee B and D can undergo Meiosis

15. A. Homologous chromosomes pairup

16. B. 12 (2n=24; n=12)

17. C. Metaphase II

18. E. To create the chromosomes that are new combinations of paternal and maternal genetic information

19. D. failure of homologous chromosomes or sister chromatids to separate at anaphase

20. B. 4 Cells, each with 23 chromosomes

21. D. 22 autosomes and either X or Y chromosomes

22. A. Crossing over

23. B. Metaphase I

24. E. To provide the structure of centromer

25. C. an X from his mother and a Y from his father

26. E. 22 Autosomes and an X chromosome

27. A. This allows the egg to receive most of the cytoplasm

28. D. The cells contain diploid number of chromosomes

29. D. S-Phase

30. E. Telophase and Cytokinesis

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