Characterize the following human chromosomes as to size and as to position of 4. its centromere. Chromosome Size Type as to position of its centromere In Group C #18 In Group G
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- In which of the following is genetic material moved betweennonhomologous chromosomes?a. insertion d. translocationb. nondisjunction e. inversionc. deletionCharacterize the following human chromosomes as to size and as to position of its centromere.With regard to the analysis of chromosome structure, explain theexperimental advantage that polytene chromosomes offer. Discusswhy changes in chromosome structure are more easily detected inpolytene chromosomes than in ordinary chromosomes.
- Which chromosome does this gene CAGATTGTGAAGAGGTCTCTTGA, appear on in the human genome? Answerin numerical digits only.How many Barr bodies would you expect to see in a human cellcontaining the following chromosomes? a.XYHow many Barr bodies would you expect to see in a human cellcontaining the following chromosomes? a. XYY b. XXX c. XXXX
- 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.For each of the terms in the left column, choose thebest matching phrase in the right column.a. reciprocal translocation 1. lacking one or morechromosomes or having oneor more extra chromosomesb. gynandromorph 2. movement of short DNAelementsc. pericentric 3. having more than two completesets of chromosomesd. paracentric 4. exact exchange of parts of twononhomologous chromosomese. euploids 5. excluding the centromeref. polyploidy 6. including the centromereg. transposition 7. having complete sets ofchromosomesh. aneuploids 8. mosaic combination of maleand female tissueYou are given a metaphase chromosome preparation (a slide)from an unknown organism that contains 12 chromosomes.Two that are clearly smaller than the rest appear identical inlength and centromere placement. Describe all that you canabout these chromosomes.
- Morphology of Chromosomes can bebest studied at ______A. Interphase B. ProphseC. Metaphase D. ZygoteneHow many Barr bodies would you expect to see in a human cellcontaining the following chromosomes? a.XXYWhich of the following terms should not be used to describe aBarr body?A. ChromatinB. EuchromatinC. HeterochromatinD. ChromosomeE. Genome