[Campbell Biology P.356] What is the general term for a condition where an organism has an a... | Practice Question

What is the general term for a condition where an organism has an abnormal number of a particular chromosome, such as 2n+1 or 2n-1?

  • A: Polyploidy
  • B: Nondisjunction
  • C: Aneuploidy
  • D: Trisomy

Explanation

The text defines aneuploidy as the condition where a zygote has an abnormal number of a particular chromosome. It then specifies that a 2n-1 zygote is monosomic and a 2n+1 zygote is trisomic, both of which are types of aneuploidy.