DNA 2-Key terms

• What are alleles?


  Different versions of a gene
• What does homozygous mean?


  Alleles that are the same
• What does heterozygous mean?


  Alleles that are different
• What does genotype mean?

  The two alleles present for a particular gene
• What does phenotype mean?

  The characteristics an organism has as a result of their genotype
• Where are chromosomes found in the cell?


  Nucleus