Introduction
Student veterinary nurses have traditionally greeted genetics with unanimous disapproval! It is the aim of this chapter to enable you to approach the subject with confidence.

Genetics is the science of animal heredity and natural development. It is the study of how characteristics and traits are transmitted from generation to generation.

Related chapters are:

• Book One - Chapter 10 - The Systems of the Body (Urogenital system).
• Book Two - Chapter 5 - Obstetrical & Paediatric Nursing

Learning Objectives
The learning objectives of this chapter are:

• To understand basic terms and definitions relating to genetics.
• To understand cell replication.
• To achieve an understanding of breeding strategies.
• To recognise common breeds of dog.
• To recognise common breeds of cat.
• To recognise common congenital abnormalities and congenital defects.