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The fundamental and active biological process by which a parent cell, after replication of its components, divides to produce its daughter cells is called cell division.
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- 1. Define homologous chromosome. 2. Define sister chromatids. 3. Identify whether each process below occurs during mitosis, meiosis, or both. a. Sister chromatids separate b. Haploid cells are formed c. Cell division occurs once d. Homologous chromosomes pair e. 4 haploid cells are the final result f. Crossing over occurs g. Replicated chromosomes line up in the middle of the cell h. 2 diploid cells are the final resultWhich of the following paris is incorrect a. Haploid and gamete b. Diploid and somatic cell c. 2nd and haploid d. Genome and DNA2. Identify the following: a. the original cell that produces new cells through mitosis or meiosis b. a group of four chromosomes that takes part in meiosis c. the sex cell produced by the male d. a unit of DNA that determines a specific hereditary trait in an organism; comes in pairs e. a twisted and coiled strand of DNA within the nucleus that carries the codes for reproductive traits such as eye and hair color f. the process through which organisms produce offspring; creation of a new individual g. the creation of a new cell or organism identical to the parent; does not involve the union of sex cells h. the cell part that holds the chromosomes and DNA that controls all cell activities i. one of the two cells created when a parent cell divides through mitosis j. a thin wall or covering that surrounds the nucleus of the cell
- 3. The diagram below shows an important phase of prophase I of meiosis. Which of the following correctly describes what is occurring in the diagram? a. A frameshift mutation which the genetics have been altered b. Separation of the sister chromatids c. Metaphase – the chromosomes are lining up in the middle of the cell d. Crossing over – where alleles and genetic information is exchanged A B B C di G H h K K10. The process in which haploid gametes are formed in diploid organisms is called: a. cytokinesis b. interphase c. meiosis d. mitosis e. nuclear division 11. Which of the following correctly ranks nucleic acid structures in order of size, from smallest to largest? a. chromosome, nucleotide, gene, codon b. nucleotide, codon, gene, chromosome c. chromosome, gene, codon, nucleotide d. codon, nucleotide, chromosome gene 12. A human cell containing 44 autosomes and two X chromosomes is... a. a somatic cell of a male b. a zygote c. a somatic cell of a female d. a sperm cell e. an ovum 13. Independent assortment is one of the factors that contributes to genetic diversity. Independent assortment is associated with which stage of meiosis? a. anaphase I b. prophase I c. metaphase I d. anaphase II e. metaphase II 15. Which cells of the human body are made through the process of meiosis? a. gametes b. somatic cells c. all cells of the body d. X and Y chromosomes e. autosomes 16. A _____________…8. List three ways that mitosis differs from meiosis: a. b. C. 9. Define the following terms: a. Homologous chromosomes: b. Tetrads: c. Haploid: MEIOSIS MITOSIS Laboratory 3 Cell Anatomy and Divisio O bluedoor, LLC
- 9) If a tetraploid species gave rise to a new species by autopolyploidy, how many sets of homologous chromosomes would the new species have in its somatic cells? a.Three b.Two c.Four d.Eight e.SixteenThe ploidy, and chromosome number of a cell that is 2n = 46 is: a. Haploid and the chromosome number is 46 b. Diploid and the chromosome number is 23 c. Haploid and the chromosome number is 96 d. Diploid and the chromosome number is 46number of chromosomes is present in ii heart cells of an organism and the sperm of an organism. The statement given above is completed by the information in row 11 _ii is present in Rowi 11 A. diploid haploid B. polyploidhaploid C. gaploid diploid D. diploid diploid
- 8. A diplod cell with 30 chromosomes undergoes meiotic cell division. How many centromeres is present in anaphase I? * a. 15 b. 30 c. 60 d. 0 9. A diplod cell with 30 chromosomes undergoes meiotic cell division. How many chromatids is present in each cell in anaphase II? * a. 15 b. 30 c. 60 d. 0 11. A diplod cell with 30 chromosomes undergoes meiotic cell division. How many chromatids is present in anaphase I? * a. 15 b. 30 c. 60 d. 05. Homologous chromosomes move towards opposite poles of a dividing cell during... a. mitosis b. meiosis I c. meiosis II d. fertilization e. binary fission 6. Meiosis II is similar to mitosis in that... a. homologous chromosomes synapse b. DNA replicates before the division c. the daughter cells are diploid d. sister chromatids separate during anaphase e. the chromosome number is reduced 7. Metaphase of meiosis I and meiosis II differ in that... a. chromosomes line up at the equator b. homologues line up in meiosis I and duplicated chromosomes line up in meiosis II c. sister chromatids line up in meiosis I and chromosomes line up in meiosis II d. there are the same number of chromosomes 8. Asexually reproducing organisms produce offspring that are genetically identical to each other and to the parents. What type of cell division are the offspring a product of? a. mitosis b. meiosis c. binary fission d. fertilization 9. At which stage of meiosis do chromatids separate and become…16. The diagram below shows a phase in meiotic cell division. 小 In which phase does this process occur? A. Metaphase I B. Anaphase I C. Metaphase II D. Anaphase II 17. The graph shows the change in the quantity of DNA in a cell during a reduction division (meiosis). quantity of DNA /arbitrary units 2- time A cell with one pair of chromosomes (2n = 2) undergoes meiosis. Which nucleus is formed as a result of this division? A D Рage 7 | 23