Biology Eoc Review Worksheet Page 3

Strand 2 – Mechanisms of Genetics

1. Label the components of DNA – sugar, phosphate, nitrogen bases (purines and pyrimidines), and

complementary base pairing. Show where the hydrogen bonds are located.

2. Complete this chart showing the different types of mutations and how each would affect the proteins coded for in

the DNA.

Type of

How it happens

What it causes

Mutation

Substitution

Insertion

Deletion

Inversion

Duplication

Translocation

Practice Punnett squares – identify the parent gametes and the genotypes of both parents and offspring.

= pointed ears

aa = round ears

4. Explain the differences between transcription and translation – where each occurs, what molecules are involved,

and the products of each one.

Process

Transcription

Translation

Where?

Molecules needed?

Product(s)?

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