science
Grade-10
Easy

Question

Each chromosome comprises of   _____.

  1. 2 Centrofibers
  2. 2 Chromatids
  3. 2 Daughter cells
  4. 2 Centrioles

hintHint:

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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