Genetics explains the study of genes, which determines human's origin and development.
What is explained about genetics in the passage?
Genes determine around 50 percent of humans' differences and similarities that are inherited. There are around 3 million genetic building blocks due to which the variation accounts for about 0.001 percent to make people different who are living in different locations.
Therefore, diseases arising out of genetic disorders are passed on to children such as Down syndrome and Turner syndrome.
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