B1b+6+Variation

There is some quite complicated science in this topic, and alot of technical stuff to understand. You need to know what Chromosomes, genes and DNA are and why they are important to **inheritance**. Also, be sure you know the differences between asexual and sexual **reproduction**, and how different techniques in **cloning** and genetic **engineering** work. Now use the powerpoints to dust up on the topic.



Once you think you've got all the ideas straight, try some of the worksheets below - print them out and bring them in for marking! The revision sheet covers everything you need to know.



As always, check out these sites for extra revision:

[|BBC bitesize] [|Revision world] This site is good for looking into the evolutionary links between all life on Earth [|The Tree of Life]