How many nucleotide positions of the human genome

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The human and chimpanzee genomes are 98% identical:

a. How many nucleotide positions of the human genome differ from the corresponding positions of the chimp genome? Assume that the human genome is 3200 Mb.

b. If the coding fraction (that in exons) of the human genome is 1.5% of the total and there are 21,000 protein-coding genes (assumed to be equally long), how many nt differentiate that exonic fraction?

Reference no: EM13115477

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