'Fat cat xlw' presentation slideshows

DNA & RNA

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Protein synthesis

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MUTATIONS

MUTATIONS. Changes in DNA that affect genetic information. DNA Mutations. Any change in DNA sequence Can be caused by errors in replication, transcription, cell division or by external agents . Point Mutations. A change in a single base pair in DNA

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Types of Mutations

Types of Mutations. Point Mutation. Change in one base of the gene sequence. Original: The fat cat ate the wee rat. Mutation: The fat hat ate the wee rat. Point Mutation Example. Sickle Cell Disease an inherited blood disorder that affects red blood

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DNA

1. DNA. 3/12/2013 Do Now What is a nucleotide and what is it made of? What are the four bases and how do they pair in DNA?. Mutation. A mutation is any change to the DNA. The can be as simple as a single base change (A to C) or as severe as deleting a whole section of the DNA.

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Mutations youtube/watch?v=kp0esidDr-c&safe=active

Mutations http://www.youtube.com/watch?v=kp0esidDr-c&safe=active. Can also have trisomy and monosomy. Gene mutation. Gene mutations: point vs. frameshift. Chromosomal mutations.

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Mutations

Mutations. The fat cat ate the wee rat ???. Point Mutation. = a simple change in one base of the gene sequence. This is equivalent to changing one letter in a sentence, EXAMPLE: where we change the 'c' in cat to an 'h': Original - The fat cat ate the wee rat.

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