Biology
Grade-9
Easy
Question
Which of the following structural feature of a chromosome is known as ‘primary constriction?’
- Chromatids
- Centromere
- Telomere
- Chromomere
Hint:
Centromere
The correct answer is: Centromere
The primary constricted region on each chromosome is called the centromere or primary constriction. This divides the chromosome into two parts and each part is called an arm. The two arms are p arm and q arm.
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