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- Humans produce skin cells by mitosis and gametes by meiosis. Which of the following statements about the nuclei of skin cells is correct? a. They contain half as much DNA as the nuclei of gametes produced by meiosis. b. They contain four times as much DNA as the nuclei of gametes produced by meiosis. c. They contain the same amount of DNA as the nuclei of gametes produced by meiosis. d. They contain twice as much DNA as the nuclei of gametes produced by meiosis.Use an illustration to show the differences between mitosis and meiosis. Explain three processes that give rise to genetic variation. The diagram below shows a pair of homologous chromosomes in a diploid cell. Which of the following is the correct diagram of the gametes that produced the cell if there were no errors in meiosis?Which event occurs during meiosis that increases genetic variation and contributes to the process of evolution? A. Cytokinesis occurs and separates the cytoplasm and its contents into daughter cells. B. Diploid gametes divide to form haploid daughter cells with unique genetic makeup. C. During interphase, homologous chromosomes are duplicated to form sister chromatids. D. Segments of DNA are exchanged between homologous chromosomes during crossing over.
- Which type of life cycle has both a haploid and diploid multicellular stage? a. an asexual life cycle b. diploid-dominant c. haploid-dominant d. alternation of generationsWhat is the main difference between autopolyploid and allopolyploid? a. the number of chromosomes b. the functionality of the chromosomes c. the source of the extra chromosomes d. the number of mutations in the extra chromosomesWhich of the following is a correct statement regarding mitosis and meiosis? A.)mitosis involves the generation of haploid cells B.)meiosis is used primarily for asexual reproduction C.)chromosomes are duplicated before mitosis but not meiosis D.)meiosis involves two sequential nuclear divisions
- Which of the following represents things that are equivelant? A) Two alleles for the same gene in a homologous chromosome pair B) The sequence of DNA in the two sister chromatids of a chromosome after meiosis 1 C) The number of homologous chromosomes per cell before and after meiosis 1 D) The number of chromosomes in each of the four daughter cells after meiosis 2Strawberries are octoploid. Bananas are triploid. Kiwi fruits are diploid. How does ploidy level influence the amount of DNA in each cell?Compare and contrast mitosis and meiosis with at least 5 descriptors of each. Explain how meiosis leads to genetic diversity. Why is genetic diversity important?
- The term endopolyploidy refers to the phenomenon of havinga. too many chromosomes.b. extra chromosomes inside the cell nucleus.c. certain cells of the body with extra sets of chromosomes.d. extra sets of chromosomes in gametes.If the parent diploid cell starts with 12 Chromosome and undergoes mitosis, then how many will the daughter cells have?A) 48 B) 12 C) 5 D) 24 20. If the parent diploid cell starts with 48 Chromosome and undergoes meiosis, then how many will the daughter cells have?A) 48 B) 12 C) 5 D) 24Which statement below best describes the overall function of meiosis 2? A. Separates homologous chromosomes prior to cell division B. Separate sister chromatids prior to cell division C. Independently arranges homologous chromosomes