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Microbiology › ViewHow are pyrimidines structurally different from purines in DNA nucleotides?
A. Pyrimidines have a double-ring structure, while purines have a single-ring structure.
B. Pyrimidines and purines both have a double-ring structure.
C. Pyrimidines have a single-ring structure, while purines have a double-ring structure.
D. Pyrimidines and purines both have a single-ring structure.
Linked Gene › View
Why are men 16 times more likely to be color-blind than women?
A. to be color-blind, you must have a Y chromosome
B. to be color-blind, all of your X chromosomes must have the gene
C. color-blindness is caused by testosterone
D. color-blindness is caused by the same gene as baldness