This diagram shows a parental cell going through mitosis and producing 2 daughter cells. Which cells in th mutation.) |D G |H D and G are genetically identical, but H is genetically different. O Dand H are genetically identical, but G is genetically different. O Gand H are genetically identical, but D is genetically different. O All of the cells - D, G, and H - are genetically identical. O None of the cells in the diagram are genetically identical. All the cells - D, G, and H- are genetically different from each oti

This diagram shows a parental cell going through mitosis and producing 2 daughter cells. Which cells in th mutation.) |D G |H D and G are genetically identical, but H is genetically different. O Dand H are genetically identical, but G is genetically different. O Gand H are genetically identical, but D is genetically different. O All of the cells - D, G, and H - are genetically identical. O None of the cells in the diagram are genetically identical. All the cells - D, G, and H- are genetically different from each oti

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter6: Cytogenetics: Karyotypes And Chromosome Aberrations

Section: Chapter Questions

Problem 3QP: A colleague e-mails you saying that she has identified an interesting chromosome variation at 21q13....

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Are mutations that arise during mitosis or meiosis the same? Explain in 15 sentences.
Biologists have long been interested in the effects of radiation on cells. In one experiment, researchers examined the effect of radium on mitosis of chick embryo cells growing in culture. A population of experimental cells was examined under the microscope for the number of cells in telophase (as a measure of mitosis occurring) before, during, and after exposure to radium. The results are shown in the Figure. What is the effect of radium exposure on mitosis? Source: R. G. Canti and M. Donaldson. 1926. The effect of radium on mitosis in vitro. Proceedings of the Royal Society of London, Series B, Containing Papers of a Biological Character 100:413419.
A colleague e-mails you saying that she has identified an interesting chromosome variation at 21q13. In discussing this discovery with a friend who is not a cytogeneticist, explain how you would describe this location, defining each term in the chromosome address 21q13.
What would be the result of the following? the centromere is missing from a cell a chromosome contains more than one centromere
In the experiment of cell fusion, when tumor cells were fused with normal cells, the initially formed tetraploid cells (or subsequently arising sub-tetraploid cells) were discovered to have lost the ability to form tumors. What is the explanation for this observation?
1.A Alleles are A) Dominant Genes B) Recessive Genes C) Two Version of the same genes D) alternate versions of the same gene. E) Sister Chromatids 1.B Which of the following processes takes place in the cytoplasm? - DNA replication - transcription -intron removal -translation -primary mRNA splicing 1.C For a DNA strand that is two nucleotides long, how many different sequences are possible? -2 -4 -8 -16 -64 1.D Which of the following is mismatched? A)physical expression of a trait - phenotype B)allele that masks the expression of an alternate allele - dominant C)identical alleles - heterozygous D)allele whose expression can be masked by an alternate allele recessive E)the specific alleles that an individual has - genotype
A parent cell divides to form two genetically identical daughter cells in the process of mitosis. For mitosis to take place: A. the parent cell must divide its DNA in half so each daughter cell gets only the genes needed to carry out its functions. In this way, differentiation occurs. B. the parent cell must reproduce its DNA during telophase C. the parent cell must first be fertilized D. the parent cell must replicate its entire genome prior to mitosis E. crossover must be delayed until the second cell division
Normal mitosis takes place in a diploid cell of genotypeA/a ; B/b. Which of the following genotypes might represent possible daughter cells?a. A ; B b. a ; b c. A ; bd. a ; B e. A/A ; B/B f. A/a ; B/bg. a/a ; b/b
1. Draw Interphase and label cells in each stage of mitosis. 2. Draw prophase and label cells in each stage of mitosis. 3. Draw Metaphase and label cells in each stage of mitosis. 4. Draw Anaphase and label cells in each stage of mitosis 5. Draw Telophase and label cells in each stage of mitosis. 6. Draw Daughter Cells and label cells in each stage of mitosis
Normal events in mitosis gives rise to daughter cells with exactly the same chromosome number and genetic material. What may be expected to happen chromosomally and genetically to: 1. a cell with a chromosome that contains two centromeres?
Can chromosome duplications cause negative effects to an organism? Why or why not? A. No. Duplicated regions of chromosomes are quickly lost by looping out during meiosis. B. Yes. Duplicated regions increase gene dosage, which affects processes like development that require specific amounts of protein. C. No. Cells with duplications function even more efficiently than those without duplications. D. No. Duplicated regions of chromosomes cannot affect gene dosage because the cell can always compensate for extra copies of genes. E. Yes. Duplicated regions require DNA to be replicated, which delays the cell cycle and wastes energy.
An individual has a deletion of part of the short arm of chromosome 5. This individual also has a normal copy of chromosome 5. Would you expect this individual to have Cri-du-chat syndrome? Why or why not? Question 7 options: A) Yes, because they will inactivate their normal chromosome 5 B) Yes, because they only contain one copy of some of their genes C) No, because this is a terminal deficiency D) No, because they still have at least one copy of all the genes on chromosome 5