Inheritance

• Define allele


  Different versions of the same gene that control our characteristics
• Define dominant allele

  • Always expressed, even when one copy is present.
• Define recessive allele


  Only expressed if the individual has two copies
• Define Homozygous


  Two alleles for a particular characteristic that are identical
• Define heterozygous


  Two alleles for a particular characteristic that are different
• Define genotype


  Alleles that define an organisms characteristics
• Define phenotype


  Visual characteristics of an organism that occur as a result of genes