Chemistry NEET Full Syllabus Mock Test 180 Question New Syllabus Mock Test - 15 PCB Single Correct MCQ
Published on: August 13, 2026

Which of the following results in polyploidy condition and trisomy condition, respectively?

A
Failure of segregation of chromatids and failure of cytokinesis after telophase.
B
Failure of cytokinesis after telophase during the cell division and failure of segregation of chromatids.
C
Failure of karyokinesis and failure of cytokinesis.
D
Failure of dissolution of the synaptonemal complex and failure of splitting of chromatids.

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The correct answer is:
B

Trisomy is a type of aneuploidy. Failure of segregation of chromatids during cell division cycle results in the gain or loss of a chromosome(s), called aneuploidy. Failure of cytokinesis after telophase stage of cell division results in an increase in a whole set of chromosomes in an organism and, this phenomenon is known as polyploidy.

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