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Using Chargaff's Rules, which of the following satements about genomic base content is TRUE?
a. Senior citizens have higher genomic AT content in their brains than 21 year olds.
b. Malnutrition has no significant effect on the genomic base pair content of a person's muscles.
c. Since GC base pairs are more stable than AT, Alaskans typically have slightly higher genomic GC contents than Floridians.
d. Human racial differences are reflected in increased genomic GC contertin native Americans as compared to Africans.
e. The genomic AT content in human lung tissue is equal to the AT content in shark gills

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Answer:

The correct answer is option b. "Malnutrition has no significant effect on the genomic base pair content of a person's muscles".

Explanation:

Chargaff's Rules state that the content of nucleotides in the cells have a 1:1 ratio of pyrimidine and purine bases and  the composition of DNA varies from one species to another but not within the same specie. Therefore according to Chargaff's Rules malnutrition has no significant effect on the genomic base pair content of a person's muscles, since no variation of the genomic base pair content should occur within the same person or specie.

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