B1 Revision

B1 Revision Quiz 

Topic 1.

Genes, Chromosomes and DNA.

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  • Created by: cerysstx
  • Created on: 06-01-14 18:47

1. Genes can exist in different versions. The different version of the same gene is called...

  • A base
  • An allele
  • A protein
  • A DNA strand
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2. What characteristic can be controllede by both environment and genes?

  • Eye colour
  • Dimples
  • Hair colour
  • Scars

3. What characteristic can be controlled only by environment?

  • Scars
  • Dimples
  • Eye colour
  • Hair colour

4. Each gene codes for what?

  • Proteins
  • Cells
  • Tissues
  • Muscles

5. What is the name for proteins that make a change in the body, for example amylase breaking down starch to maltose?

  • Functional
  • Structural

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