Dictionary

• Reproductive isolation

  Speciation by isolation

  Geographic isolation- Allopatric (Changes in environment like a river seperating two populations)

  Reproductive isolation- Sympatic (Changes in reproduction pattern like what time of year they mate)
• Gene pool


  Every allele possible in a population
• Allele


  Version of the same gene
• Phenotype


  The physical trait you can see from the genome
• Genetic Variation


  Variation in a population is caused via

  . Random mating

  . Mutations

  . Genetic drift