Genetic variation among humans is relatively small when compared to other species. Where in the human genome does most of the diversity occur? a. in sequences that code for tRNAb. in the homeotic genes c. in the mitochondrial DNA d. in single nucleotide-polymorphisms

Respuesta :

Single nucleotide polymorphisms of the human genome are responsible for diversity.

A single nucleotide substitution at a specific location in the genome is known as a single nucleotide polymorphism. SNPs, or single nucleotide polymorphisms, are the most prevalent form of genetic variation in humans. SNPs typically occur all over a person's DNA.  For example, an SNP could replace the nucleotide cytosine (C) with the nucleotide thymine in a specific region of DNA (T).

Many people have these variants; nevertheless, for a variation to be called an SNP, it must be present in at least 1% of the population. This SNP is responsible for that 0.1% difference in human DNA to cause diversity.

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