Edexcdel AS Biology - Cell division

This extensive power point covers all of the following aspects of the Ededxcel AS Biology course:

Asexual reproduction, Karyotypes, Binary fission, sporulation, fragmentation, regeneration, budding, vegetative propogation.
Growth and growth curves.
Sexual reproduction - formation of gametes, meiosis (random assortment & crossing over), fertilisation in humans, sperm and ova.
Gametogenesis in animals and plants, formation of pollen, pollen structure, ovules, pollination.
Stem cells, totipotency in animals and plants, adv & disadv of stem cells, control of transcription.
Parkinsons, diabetes, damaged nerves.
The genome, epistasis, X chromosome inactivation, variation (continuous & discontinuous), monoamine oxidase A and cancer.

This covers most of the second unit for Edexcel AS Biology.