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# nice.
i've also heard of trisomy 21. it effects the 21st chromosome, doesn't it? (from what i can pretend to remember).
(, Thu 16 Nov 2006, 3:40, archived)
# and I quote:
Down syndrome is a chromosomal abnormality characterized by the presence of an extra copy of genetic material on the 21st chromosome, either in whole (trisomy 21) or part (such as due to translocations).
(, Thu 16 Nov 2006, 3:42, archived)
# bitchin.
(, Thu 16 Nov 2006, 3:50, archived)