RE-NEET 2024 Botany Chromosomal Disorder Assertion Reason Question
Given below are two statements:
Statement I: Failure of segregation of chromatids during cell cycle resulting in the gain or loss of whole set of chromosome in an organism is known as aneuploidy.
Statement II: Failure of cytokinesis after anaphase stage of cell division results in the gain or loss of a chromosome is called polyploidy.
In the light of the above statements, choose the correct answer from the options given below:
Statement I is true but Statement II is false
Statement I is false but Statement II is true
Both Statement I and Statement II are true
Both Statement I and Statement II are false
Correct Answer
Detailed Explanation
Statement I is incorrect because aneuploidy refers to the gain or loss of one or more chromosomes, not a whole set. Statement II is incorrect because polyploidy involves the gain of one or more complete sets of chromosomes, not just a single chromosome.
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