One of the two sex chromosomes that determines maleness in mammals, carried and passed down from males to males.Y Chromosome Summary

  • Human chromosomesHumanity originated less than 50,000 ya

  • Small population of men

  • Single location (Africa)
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Slide 33 of 109

Studies on human Y chromosomal Deoxyribonucleic acid: the chemical inside the nucleus of a cell that carries the genetic instructions for making living organisms.DNA show that modern humans arose less than 50,000 years ago from a small population of men, probably in Africa.

http://www.godandscience.org/evolution/sld033.html
Last Modified June 21, 2006

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