问题描述：
英语翻译
Just as an individual has two copies of each gene,possibly with polymorphic tandem repeats,each copy representing an allele of the region.The total number of alleles of variable repeats present in a population can be very large.
Just as an individual has two copies of each gene,possibly with polymorphic tandem repeats,each copy representing an allele of the region.The total number of alleles of variable repeats present in a population can be very large.
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