In this episode, Chris and Mike discuss what happens when the wrong number of chromosomes are passed onto offspring.  Nominally in humans, eggs and sperm will carry exactly 23 chromosomes each, which will then combine to form offspring with 46 chromosomes (half from the mother and half from the father).  In rare situations, either 22 or 24 chromosomes will be passed onward, causing conditions such as Downs' Syndrome and Turner Syndrome.  We discuss how this happens and the results.

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