science
Grade-10
Easy
Question
Each chromosome comprises of _____.
- 2 Centrofibers
- 2 Chromatids
- 2 Daughter cells
- 2 Centrioles
Hint:
A chromosome is divided into two halves by a centromere.
The correct answer is: 2 Chromatids
- DNA is present inside the nucleus in the form of chromosomes
- A typical chromosome has two parts: two winged structures called chromatids and one centromere in between
- The chromatids can be of same size or different size
- The ends of the chromatids are called telomeres
- During replication of the DNA, a copy of each chromatid is made and the new structure is called sister chromatids
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