Punnett Square Worksheet Pdf

Here is a simple Punnett Square worksheet that you can use to practice genetics:

1. Cross: Eye Color
   • Parent 1: Brown Eyes (Bb)
   • Parent 2: Blue Eyes (bb)

Fill in the Punnett Square below:

| B    | b    | ———–|——|——||     B    |      |      ||———-|——|——||     b    |      |      |

1. Cross: Blood Type
   • Parent 1: Type A (IAi)
   • Parent 2: Type B (IBi)

Fill in the Punnett Square below:

| IA   | i    | ———–|——|——||     IB   |      |      ||———-|——|——||     i    |      |      |

1. Cross: Hair Texture
   • Parent 1: Curly Hair (CC)
   • Parent 2: Straight Hair (SS)

Fill in the Punnett Square below:

| C    | S    | ———–|——|——||     C    |      |      ||———-|——|——||     S    |      |      |

Remember, uppercase letters represent dominant traits, and lowercase letters represent recessive traits. Fill in the Punnett Square by combining the alleles from Parent 1 and Parent 2 to determine the possible outcomes and their probabilities.

Free Pdf Version Punnett Worksheet