Mutations. Protein Synthesis Review Video What is a mutation? Change in the DNA nitrogen base sequence of a gene.

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Mutations. What Are Mutations? Changes in the nucleotide sequence of DNA May occur in somatic cells (aren’t passed to offspring) May occur in gametes.
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Presentation transcript:

Mutations

Protein Synthesis Review Video

What is a mutation? Change in the DNA nitrogen base sequence of a gene

How do Mutations Occur? Errors in DNA Replication Replication

How do Mutations Occur? Damaged DNA caused by agents such as sunlight, smoke, radiation

Two ways to classify mutations Acquired mutation Get a mutation at some point in life.

Two ways to classify mutations Inherited mutation Get a mutation from your parents

Type of Mutations: Point Change in one base of the DNA sequence. Original: The fat cat ate the wee rat Point mutation: The fat hat ate the wee rat

Sickle Cell Anemia

Type of Mutations: Insertion Addition of one or more bases into a DNA sequence Original: The fat cat ate the wee rat Insertion: The fat cat xlw ate the wee rat

Type of Mutations: Deletion The removal of one or more bases in DNA Original: The fat cat ate the wee rat Deletion: The fat ate the wee rat

Blame it on DNA: Review Song

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