'Insertion mutations' diaporamas de présentation

Mutations

Mutations. Natural and Manmade. What are Mutations?. A mutation is a change in the structure of DNA of an organism. Mutations can occur randomly or may be deliberately caused by scientists in a laboratory. What are Mutations?. Mutations may be harmful or helpful.

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Protein Folding

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Protein Folding

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Aim:

Do Now. Aim:. Describe how your body uses DNA?. What is DNA used to code for?. Homework:. Castle Learning Assignment #7, Test Friday, Quarterly Thursday of next week. Review. Describe transcription and where it occurs within the cell? What is the difference between mRNA and tRNA?

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MUTATIONS: - A source of variation

MUTATIONS: - A source of variation. A change in the nucleotide base sequence of the DNA or a change in the structure or number of chromosomes. Mutagens. Mutagens cause mutations which are mistakes in the base sequence of the DNA. (If you change the recipe, you change the cake).

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