Course Content
History of genetics
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Extra-nuclear inheritance – genes in organelles, maternal effect, criteria for extra-nuclear inheritance
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Mutation – genic, chromosomal and molecular levels
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Learn Introductory Genetics with Rahul

Introduction

  • Chromosomal aberrations are changes in chromosome structure or number.
  • Most chromosomal aberrations are known as aneuploidies, or different numbers of chromosomes other than pairs.
  • A trisomy is an aneuploidy with one extra chromosome, for a total of 3, and a monosomy has one fewer chromosome, for a total of 1.

 

Types of chromosomal aberration

  1. Structural change
  2. Numerical change
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