Cell The Unit Of Life Question 106
Question: The following diagram represents a structure of chromosome. Identify the structures of marked as 1, 2 and 3.
Options:
A) 1 ? Satellite, 2 - Primary constriction, 3 ? Acrocentric
B) 1 - Satellite, 2 - Secondary constriction, 3 ? Metacentric
C) 1 - Satellite, 2 - Centromere, 3 ? Telocentric
D) 1 -Satellite, 2-Centromere, 3-Submetacentric
Show Answer
Answer:
Correct Answer: B
Solution:
[b] The figure shows the structure of metacentric (3) chromosomes.
The parts marked as (1) and (2) are respectively are satellite and secondary constriction.
Metacentric chromosomes have the centromere in the centre, due to which both sections are of equal length.
BETA
