Biology, 03.10.2021 14:00 dudedude1593

Down syndrome is a genetic disorder that is also called trisomy 21. A person with Down Syndrome has an extra copy of chromosome 21. Which best describes the genetic mutation that results in Down syndrome. Nondisjunction during meiosis, resulting in uneven distribution of chromosomes
Complete duplication of chromosomes during polyploidy
Translocation during genetic replication, creating nonhomologous chromosomes
Crossing over during meiosis, leading to an exchange of genetic information

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Down syndrome is a genetic disorder that is also called trisomy 21. A person with Down Syndrome has...