why does a third copy of chromosome 21 result in the complex
pattern of developmental and...
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Biology
why does a third copy of chromosome 21 result in the complexpattern of developmental and physiological abnormalities associatedthis this syndrome. How does this extra copy - or dose - causethese defects/differences?
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The third copy of chromosome cause 21 trisomy causes downs syndromeit is charecterized by presence of third copy of 21 chromosomethe occurence generally increase s when mothers age is more than 35 years of ageThe children generally have mental impairment stunted
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