What is responsible for primary Down syndrome?
A) disomy
B) inversion
C) nondisjunction
D) polyploidy
E) translocation

Name: What is responsible for primary Down syndrome? A) disomy B) inversion C) nondisjunction D) polyploidy E) translocation
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Question

Quizplus · Accepted Answer

Primary Down syndrome is most commonly caused by nondisjunction, which is the failure of chromosome 21 to separate properly during meiosis, leading to an extra copy of chromosome 21 in the offspring.

What Is Responsible for Primary Down Syndrome