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- Explain why replicating the tips of linear chromosomesis problematic and how the cell overcomes this challenge.Describe what is meant by a homologous pair ofchromosomes.If a bacterial chromosome were inserted into a eukaryotic cell, would it be stable? Would it segregate like eukaryotic chromosomes do during mitosis and meiosis? Why or why not?
- Discuss the levels of chromosomal organization with reference to the following terms: a. nucleotide b. DNA double helix c. histones d. nucleosomes e. chromatinComplete the following statement about conjugation. Bacterial confirmation is the equivalent of sexual reproduction in eukaryotes in that it necessitates cell to cell contact. The donor cell just contain a 1. Blank which is distinct from the larger bacterial chromosome. The 2. Blank carry genes in the 3. Blank which regular the conjugation processConsider the following DNA molecule (shown in the picture) and assume this is the DNA sequence of the entire chromosomes. list the amino acid sequences of the possible protein or proteins that could be produced from this DNA sequence what would be the DNA sequence of a sister chromatid generated from this chromosome sequence? (specify the 5' nd 3' ends)
- Which of the following statements is true? a. Linear chromosome structures observed in a karyotype are actually pairs of sister chromatids. b. Prokaryotic and eukaryotic cells divide through binary fission. c. Because chromosomes of prokaryotes are smaller than eukaryotic chromosomes, prokaryotic nuclei are also smaller. d. The genetic information found in a eukaryotic chromosome makes up the cell's entire genome.Why do eukaryotic cells need to go through the elaborate procedure of mitosis rather than simply dividing during interphase? Select as many answers as apply. 1.Daughter cells must be genetically identical to the mother cell, for homeostasis and ordered tissue growth. 2.Bivalent chromosomes must condense and be separated in an orderly fashion, to allow equal distribution of copies into daughter cells 3.Physically dividing the nucleus during interphase would likely lead to gross chromosome breakage and highly unequal assortment of genetic information into daughter cells. 4.Dividing the nucleus during interphase would have the same outcome as mitosis 5.Daughter cells must have half the number of chromosomes after mitosis than the mother cells 6.The homologous pairs of chromosomes need to be separated, to ensure copies go to the daughter cells.A homologous pair is composed of four sister chromatids, each with its owncentromere. four sister chromatids attached at a common centromere. four chromosomes with two sister chromatids each. two chromosomes with two sister chromatids each. two sister chromatids with separate centromeres.
- What is a genome? Describe the following terms/structures as they pertain to a eukaryotic genome: diploid, haploid, gamete, homologous chromosomes, locus, and genesCharacterize the following human chromosomes as to size and as to position of its centromere. Size Type as to position of its centromere Chromosome In Group C 18 in Group G Y ChromosomeThe figure above shows a metaphase in which one chromosome is only connected to the spindle by a single kinetochore, thus the sister chromatids may not separate correctly during anaphase. which of the following statement/s is/are correct;