Biology, 28.10.2019 19:31 tatiiiee

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down syndrome is a genetic disorder that is also called trisomy 21. a person with down syndrome has an extra copy of chromosome 21. what can you infer is most likely the genetic mutation that results in down syndrome?

a. nondisjunction during meiosis
b. complete duplication of chromosomes during polyploidy
c. translocation during genetic replication
d. crossing over during meiosis

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down syndrome is a genetic disorder that is also called trisomy 21. a person with do...