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Podcast: PodcastDX
Episode: Trisome
Description: Trisomy is an abnormality in which an organism has the wrong number of chromosomes. In humans, a normal baby will have 46 chromosomes in 23 pairs, with each parent contributing 23 chromosomes. When trisomy occurs, the individual is born with three instances of a particular chromosome instead of the usual two, resulting in 47 total chromosomes instead of 46. The results of this extra data can vary, but tend to manifest in the form of birth defects, some of which can be quite severe. The most common cause of trisomy is a problem in the duplication of chromosomes to create egg and...