1. CELLULAR MUTATION

2. A mutation is: any change in the nucleotide sequence of DNA MUTATIONS Sickle cell disease

4. X-Rays without protection

5. Radiation

7. Cancer as a type of mutation Mutagens, which cause mutations have another form called carcinogens which cause cancer For example: lung cancer. Tobacco smoke contains over 50 carcinogens which can lead to lung (picture), larynx, head, neck, stomach, bladder, kidney, esophagus and pancreas cancer

8. However, not all mutations are bad Camouflage Help in fending off predators Color variation

10. Images by: http://images.google.com/imgres?imgurl=http://farm1.static.flickr.com/33/40473313_d88db653f4.jpg&imgrefurl=http://www.flickr.com/photos/renatadiem/40473313/&usg=__IRka_TquhJvwUe_yO6295LtcqmY=&h=375&w=500&sz=64&hl=en&start=1&um=1&tbnid=zI4arWgKMv6N1M:&tbnh=98&tbnw=130&prev=/images%3Fq%3Dnature%26as_st%3Dy%26as_rights%3D(cc_publicdomain%257Ccc_attribute%257Ccc_sharealike%257Ccc_noncommercial%257Ccc_nonderived)%26hl%3Den%26safe%3Dstrict%26sa%3DG%26um%3D1&safe=strict http://willsimpson.org/images/image13.jpg http://farm1.static.flickr.com/238/521549368_4a5b129e26.jpg Google images, creative commons Information by: James McLaren. Biology Exploring Life 2005 Wikipedia