The single-nucleotide polymorphisms found in the human population __________________
(a) are important for genetic mapping because they represent mutations in genes important for human disease.
(b) are rarely found among blood relatives.
(c) can be linked into haplotype blocks.
(d) arose mainly during the past 10,000 years.
(c) Haplotype blocks are segments of chromosomes spanning a set of single-nucleotide polymorphisms that are linked and tend to be inherited as a unit.
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