Evolution of the Y Chromosome Part 5

Human X and Y chromosomes are called sex chromosomes, because, among other things they determine sex. Y chromosome is quite smaller than the X. How did the Y chromosome become so small? This animation depicts the 300-million-year odyssey of the sex chromosomes that began when the proto X and Y were an identical pair.

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Channels: Scientific Animations Genetics

Tags: Chromosome evolution YChromosome

Uploaded by: ( Send Message ) on 06-08-2007.

Duration: 0m 50s