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Title: Down syndrome is also known as trisomy-21 because individuals with Down syndrome ____. Post by: Kellman on May 30, 2015 Down syndrome is also known as trisomy-21 because individuals with Down syndrome ____.
a. have three distinct facial features by the 21st week of pregnancy b. show three distinct temperament patterns by the 21st week of infancy c. have a third chromosome on the 21st pair d. have 21 genes on the 3rd pair of chromosomes Title: Re: Down syndrome is also known as trisomy-21 because individuals with Down syndrome ____. Post by: randis_oddy on Jun 27, 2015 Content hidden
Title: Re: Down syndrome is also known as trisomy-21 because individuals with Down syndrome ____. Post by: Kellman on Jun 28, 2015 Thank you!
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