Variation

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  • Created by: Chloe
  • Created on: 27-01-15 20:09

1. What is the method of random sampling?

  • Divide the study area, take random coordinates and take samples from area
  • Generate random numbers, plot them on a graph and draw a best line of fit
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2. What are the environmental influences?

  • Mutations, meiosis & fusion of gametes
  • Climate conditions, soil conditions, pH & food availability
  • Asexually reproducing organisms & sexually reproducing organisms

3. Minimising chance..

  • Using a large sample size & analysis of the data collected
  • Divide the study area, take random coordinates and take samples

4. What are the causes of variation?

  • Genetic & Environmental
  • Selective breeding & The founder effect & Genetic bottlenecks
  • Soil conditions & pH

5. What is a mutation?

  • Sudden changes to the genes (alleles) and chromosomes
  • Nuclear division which forms gametes
  • Produces harmful toxins within the alleles causing the to distort

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