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- Morphology of Chromosomes can bebest studied at ______A. Interphase B. ProphseC. Metaphase D. ZygoteneDiploid vs. Haploid: Given n = 12a. Diploid (2n) number? b. This organism has a total of how many chromosomes? c. How many different pairs of chromosomes does this organismhave?Meiosis Card Sort- Write the letter for each stage in the correct order
- Diploid vs. Haploid: Given 2n = 30a. Haploid (n) number? b. This organism has a total of how many chromosomes? c. How many different pairs of chromosomes does this organismhave?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.Figure 6.4 Which of the following is the correct order of events in mitosis? a. Sister chromatids line up at the metaphase plate. The kinetochore becomes attached to the initotic spindle. The nucleus re-forms and the cell divides. The sister chromatids separate. b. The kinetochore becomes attached to the mitotic spindle. The sister chromatids separate. Sister chromatids line up at the metaphase plate. The nucleus re-forms and the cell divides. c. The kinetochore becomes attached to metaphase plate. Sister chromatids line up at the metaphase plate. The kinetochore breaks down and the sister chromatids separate. The nucleus re-forms and the cell divides. d. The kinetochore becomes attached to the mitotic spindle. Sister chromatids line up at the metaphase plate. The kinetochore breaks apart and the sister chromatids separate. The nucleus re-forms and the cell divides.
- The cell above is a lung cell of a salamander. In which stage of mitosis is it? What are the structures visible in green and blue fluorescence?The chromosome number ______. a. refers to a particular chromosome in a cell b. is a characteristic feature of a species c. is the number of autosomes in cells of a given type d. is the same in all speciesVariations in Chromosome NumberAneuploidy Describe the process of nondisjunction and explain when it takes place during cell division.
- The spindle attaches to chromosomes at the _______. a. centriole b. contractile ring c. centromere d. centrosomeReferring to Figure 17-19, draw a diagram showing theprocess whereby an inversion formed from crossing overcould generate a normal sequence.Is it more indicated for ageneticist desiring to map theX chromosome of the motherof a given family (theresearcher does not haveaccess to her DNA, only accessto the genetic material of theoffspring) to analyze thechromosomes of herdaughters or of her sons?
