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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
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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

User Patrik Svensson
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2 Answers

3 votes

Answer:

Nondisjunction during meiosis, resulting in uneven distribution of chromosomes

Step-by-step explanation:

I took the test and got it right good luck!

User Mohamed Abdallah
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3 votes

Answer:

A : Nondisjunction during meiosis

User Nikk Wong
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