Apoptosis, Crossover, and Tumor-suppressor genes

Apoptosis, Crossover, and Tumor-suppressor genes”

This week’s discussion is focused mechanisms that cells use to keep cell division under control, to prevent cancer, and to function well. For your primary post, respond to one of the following three topics. Also, please reply to at least one fellow student on any topic.

Topic 1 : Apoptosis. Watch the Khan Academy video about apoptosis (1)*, then answer the following questions in your own words:

  • (a) What is the difference between apoptosis and necrosis?
  • (b) What is the role of apoptosis in the normal, healthy development of animals?