Frequency of different DNA variations, Kenneth Kidd
Interviewee: Kenneth Kidd. Frequency of different DNA variation.
At every point where there's genetic polymorphism, each of the variant forms of DNA, for that segment of DNA which we can call a gene or not - in many cases it's not functional, but it's a segment of DNA - has variants. And it's the frequency of the different variant forms, the different alleles in different populations. So some forms may be very frequent in African populations and very rare in east Asians, for example.
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Geneticist Kenneth Kidd explains his study of human DNA variation in nuclear chromosomes.
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Author Steve Olson speaks about the genetic variation of North American residents.
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Geneticist Kenneth Kidd speaks about the significance of genetic variation in humans.
A DNA fingerprint is a profile of a person's inherited DNA variations, specifically repeated sequences