Punnett Squares

Punnett Squares

1. Predicts inheritance

   • Useful for plant and animal breeding
     • People have been using this type of genetic engineering for ages
   • Useful for finding likelihood of passed down traits
     • Commonly used in pedigrees
   • Genotypes
     • Letter designated combinations
   • Paternal and maternal contribution
     • Genetic and physical expressions
   • Phenotypes
     • Heterozygous and homozygous
       • Genotypes
       • Genetic qualities can be dominant or recessive
         • Heterozygous dominant will show dominant trait
           • Created by Mendel in his experiments with peas
         • Homozygous can be dominant or recessive
           • Standard tool of genetic counselors
     • Characteristics that can be seen