Question

Conditions of 2n+- 1 and 2n +- 2 are called as

A) Aneuploidy

B) Allopolypoidy

C) Both A and B

D) of these

Answer 1

Correct Answer is: A) Aneuploidy****

Conditions of a karyotype 2n +1, 2n –1 and 2n + 2, 2n – 2 are called Aneuploidy. ** of segregation of chromatids during cell division cycle results in the gain or loss of a chromosome(), called aneuploidy. 2n-2 is nullisomy and 2n+2 is tetrasomy