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Science Evolution and genetics

Basic concepts in genetics

Galapagos marine iguana
Marine iguana, San Cristobal
© Francis Glassup

Introduction

Learning objectives

  • To know that heredity is the process by which genetic information is transmitted from one generation to the next.
  • To understand that genetic variation between individuals within a species can be due to inherited or environmental variation.
  • To understand how the double helix is formed.

Students’ outcomes

  • To explain how individual variation can be due to inherited or environmental forces.
  • To explain how the double helix is formed.

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