DNA

Unit 2 Biology AQA topic 8: DNA and Meiosis.

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  • Created by: Amelia
  • Created on: 11-05-13 15:33

1. During meiosis 1, each chromosome lines up alongside its homologous partner. When these homologous pairs arrange themselves in this line they do so randomly. One of each pair will pass to each daughter cells. Pairs are lined up at random. Known as...

  • independent segregation
  • crossing over
  • recombination
  • magic
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Other questions in this quiz

2. Which two bases are double-ring bases?

  • C and G
  • A and T
  • A and G
  • C and T

3. Mitosis produces...

  • two daughter nuclei with the same number of chromosomes as the parent cell and as each other.
  • four daughter nuclei with the same number of chromosomes as the parent cell and as each other.
  • two daughter nuclei with double the number of chromosomes as the parent cell and as each other.
  • two daughter nuclei with half the number of chromosomes as the parent cell and as each other.

4. Guanine always pairs with cytosine by means of...

  • four hydrogen bonds
  • five hydrogen bonds
  • three hydrogen bonds
  • two hydrogen bonds

5. When new genetic combinations are produced, the chromatids cross over one another many times and so the process is known as...

  • plaiting
  • crossing over
  • recombination
  • independent segregation
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