AIPMT PRELIMS2007Botany-Genetics
AIPMT PRELIMS 2007 Botany Chromosome Structure MCQ Question
Type: MCQ-conceptual-Easy-Class 12
The length of DNA molecule greatly exceeds the dimensions of the nucleus in eukaryotic cells. How is this DNA accommodated?
A
super-coiling in nucleosomes
B
DNase digestion
C
through elemination of repititive DNA
D
deletion of non-essential genes
Correct Answer
Option A
Detailed Explanation
The nucleosome model describes how DNA is wrapped around histone proteins to form chromatin, which further condenses to form chromosomes.
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