Tag: epigenetics

• DNA, Genetics and Epigenetics

  A chromosome is a thread-like structure made of DNA and protein that holds genetic instructions. It as a tightly packed package or an instruction manual inside your cells that tells your body how to grow and work.

  A double helix describes the structure of DNA. A DNA molecule is made up of two linked strands that wind around each other to resemble a twisted ladder in a helix-like shape.

  Each strand has a backbone made of alternating sugar (deoxyribose) and phosphate groups.

  Attached to each sugar is one of four bases: adenine (A), cytosine (C), guanine (G) or thymine (T). These are the rungs of the ladder that connects the two strands. Adenine bonds with thymine and cytosine bonds with guanine.

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  26 July 2026