'Sexual cells' diaporamas de présentation

Meiosis

Meiosis . Past Paper Questions. 1. Define the terms gene and allele and explain how they differ. 4 marks SL. 1. Define the terms gene and allele and explain how they differ. 4 marks. gene is a heritable factor / unit of inheritance gene is composed of DNA

390 views • 16 slides

2014

135 views • 13 slides

Studying Life: What does it mean to be alive?

Studying Life: What does it mean to be alive?. Objectives: Describe some characteristics of living things Explain how life can be studied at different levels Question: What does it mean to be alive? What do all living things have in common?

410 views • 9 slides