How does meiosis cause variation?
Independent segregation of chromosomes. Crossing over of chromosomes (genetic recombination)
IA
Related Biology A Level answers
All answers ▸Describe how ATP is generated in the light-dependent reaction of photosynthesis.
Explain how a nerve impulse causes the chambers of the heart to contract (6).
Humans and grasshoppers have very similar percentages of each base in their DNA but they are very different organisms. Use your knowledge of DNA structure and function to explain how this is possible (2 Marks)
What is the difference between Evolution and Natural Selection?