According to Chargaff\'s rule, if the DMA of a species contains 20% adenine, wha

Question

According to Chargaff's rule, if the DMA of a species contains 20% adenine, what percent of guanine will it contain? Many scientists believe that the evolution of multigene families, such as the genes for hemoglobin, is a result of which type of genetic rearrangement? An Hfr strain of E. coli with the genotype a+b+c+d+e+f+ is mated with an F- auxotrophic strain with the genotype a-b-c-d-e-f-. Conjugation is stopped at 10-minute intervals and the genotypes of the resulting conjugants are determined. The following results are obtained: How many chromosomes would a trisomic human cell contain? What is the importance of centromeres and telomeres? Describe two ways in which compacting of a chromosome to fit into a small space inside the cell is. the constituent parts of a nucleoside and nucleotide. must be the three principle characteristics of the hereditary molecule in cells? Chargaff's rules of the base composition of DNA.

Explanation / Answer

7. Chargaff rule states that amount of Adenine is proportional to amount of them inexpensive in DNA of any species. Also amount of guanine is proportional to amount of cytosine.

If DNA of species contains 20% Adenine, then according to chargaff rule amount of guanine should be 20%.

8. Evolution of multi gene families have occurred through the process of gene duplication.

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