The answer is single nucleotide polymorphisms (SNPs)
It checks for variation in nucleotide sequences in particular genes that may be different among people, especially in different races. An example is a gene for melanin that would determine the trait for skin color. Single nucleotide changes in the gene between population can be used to differentiate populations.
Answer:
A sexual norm can refer to a personal or a social norm. Most cultures have social norms regarding sexuality, and define normal .
Explanation:
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FOSSIL FUELS is your answer........
