Satellite DNA & Chromosomal Constrictions — NEET Biology
🔥 Predicted for NEET 2027📖 NCERT Source
Sometimes a few chromosomes have non-staining secondary constrictions at a constant location. This gives the appearance of a small fragment called the satellite.
Why This May Be Tested in NEET 2027
Adjacent to a frequently-asked paragraph in the same chapter.
Practice This Concept
QuestionPredicted for NEET 2027
When the centromere is situated in the middle of two equal arms of chromosomes, the chromosome is referred as: NEET 2021
📖 Solution & NCERT Explanation
View solution & NCERT explanation
Correct answer: C — Metacentric
In metacentric chromosomes, the centromere is exactly in the center, forming two equal arms.
❓ Frequently Asked Questions
What does NCERT say about Sometimes few chromosomes have?
Sometimes a few chromosomes have non-staining secondary constrictions at a constant location. This gives the appearance of a small fragment called the satellite.
Has this concept appeared in NEET?
High probability for NEET 2027. Adjacent to a frequently-asked paragraph in the same chapter.
Which chapter is this from?
Cell: The Unit of Life, Class 11 NCERT Biology.
Through deep analysis of NEET and NTA, 176 of the 180 ReNEET 2026 (June 21) questions were already in the MedicNEET question bank before the exam.
176/180of the ReNEET 2026 paper (all subjects) was already in the MedicNEET question bank
MedicNEET's Biology question bank is built from the same NCERT lines NTA picks repeatedly. Not random MCQs — questions crafted exactly like NTA crafts them.
176 of 180 ReNEET 2026 questions traced to MedicNEET17,000+ Biology questionsHindi + English
Free to start · Hindi + English · 43,000+ questions · NEET 2026 pattern
Related Concepts from Cell: The Unit of Life