Human Genome Sequencing

Human Genome Sequencing | This animation shows how the Human Genome Project sequenced the human genome, which contains over 3 billion nucleotides.

Overview

Added

March 17, 2026

Subject & domain

life-health · genetics-heredity

Grade range

Grade 9 (Freshman)–Grade 12 (Senior)

Page kind

Article

Introduction

Human Genome Sequencing Process

  • Project Scope: The Human Genome Project successfully sequenced the human genome, which consists of over 3 billion nucleotides.
  • Methodology:
    • Marker Identification: The process began by identifying unique marker sequences distributed across the genome.
    • Fragmentation: Multiple copies of DNA were broken into smaller, manageable fragments.
    • Shotgun Sequencing: Each fragment was individually sequenced using the shotgun sequencing method.
    • Assembly: Powerful computers used the identified marker sequences and overlapping sections to reassemble the fragments into their original order.
  • Key Terminology: Bioinformatics, DNA, genomics, marker sequence, nucleic acid, and sequence assembly.
  • Licensing: This educational resource is available under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International license.

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