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Meiosis Reduces Chromosome Number And Rearranges Genetic Information

mation b) Several human disorders occur as a result of defects in the meiotic process. Identify ONE such chromosomal abnormality; what effects does it have on the phenotype of people with the disorder? Describe how this abnormality could result from a defect in meiosis I.
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Down Syndrome/Trisomy 21 occurs as a result of nondisjunction of the 21st chromosome during meiosis. The chromosomes do not separate during anaphase I or II thus, there are two chromosomes in one gamete. A person with down syndrome has 3 21st chromosomes, and have enlarged tongues, heart problems, and learning disabilities

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