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Science 10 Name: _________________________________

Genetics Unit Test Review

1. What does DNA stand for? ______________________________________________

2. What are some of the characteristics of DNA?

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3. Label the following diagrams of a nucleotide and DNA molecule:Word Bank: Deoxyribose sugar, phosphate group, nitrogenous base, hydrogen bonds, adenine, thymine, cytosine, guanine

4. Write the complementary DNA strand to his DNA sequence:GGC TGA AAA CTG

5. a) List the purine bases: ______________________________________

b) List the pyramidine bases: ________________________________________

6. Explain the process of transcription and translation.

7.

codon

8. Transcribe the DNA to mRNA then translate the resulting RNA sequence to amino acids.

9. Use the Venn diagram to compare/contrast natural and artificial selection.

10.Type of Mutation Define Example

Positive

Negative

Neutral

11. Name the following gene mutations: Original DNA base sequence

12. Is a point or frameshift mutation worse? Explain.

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13. Name the following chromosomal mutations: