For self-assessment questions, with exercises and discussions, just click on the correct topic at Biology GCSE & IGCSE Question Bank. A powerpoint can be downloaded from the same site here.Thes-cool revision sitelets you revise the topic, summarizes the topic & tests you on it. GCSE Bitesizehas revision pages (that take you through the topic), a test and an activity.
Here’s Penguins in peril: Inheritance – know your genetic jargon & ratios:
Here’s Darwin’s Song from Horrible Histories and in What is Evolution? Biology teacher Ceri Evans gives a master class to students on what he says is arguably the greatest idea anybody ever had: evolution (28 mins). 2 more videos – James May’s things you need to know – Evolution (29m) &BBC Short Circuit Theory of Evolution (19m).
This powerpoint covers Artificial Selection (selective breeding) – but we only need the first five slides:
And here Paul Andersen introduces A Beginner’s Guide to Punnett Squares in a 12m 15s tutorial. He also gives examples of monohybrid crosses and one example of a dihybrid cross (which we don’t need to know for SL).
An animated, narrated tutorial on Mendel’s experiments & genetic crosses from Sinauer Associates. In Crash Course Biology #9 – Heredity, Hank and his brother John discuss heredity via the gross example of relative ear wax moistness.
Some excellent interactive animations & tutorials on Stem Cells, Gene Therapy or Cloning just click on Genetic Technology at the bottom of this page or forDNA extraction, Gel electrophoresis, PCR & DNA microarraysjust click on Virtual Labs.