Digital Lesson Hub:
Biology A Level

During this lesson you will learn how to:

• Describe gene mutations.
• Explain how deletion and substitution of bases result in a different amino acid.
• Explain why some mutations do not result in a changed amino acid sequence

During this lesson you will learn:

• What is natural selection?
• How does natural selection lead to evolution?
• What are directional and stabilising selection?

During this lesson you will learn how to:

• Describe why meiosis is necessary.
• Describe the process of meiosis.
• Explain how meiosis creates genetic variation.

During this lesson you will learn:

• What is the concept of a species?​
• How are species named?​
• How is classification linked to evolution?​

During this lesson you will learn how to:

• Describe why meiosis is necessary.
• Describe the process of meiosis. Explain how meiosis creates genetic variation.