1. Genotypes & Phenotypes
Mrs. Rothenberger

2. tt TT Tt
Genotypes
-organisms’ genetic make ups

3. -organisms’ appearances
Phenotypes

4. R.C. Punnett Punnett Square
developed the
Punnett Square

5. Problem: How can you predict traits of offspring produced by parents with known genotypes?
Cross #1- pure dominant ______ x pure recessive ______
Cross #2- pure dominant ______ x hybrid ______
Cross #3- hybrid ______ x hybrid ______
Cross #4- hybrid ______ x pure recessive ______

6. Lab book Answers
Cross #1- pure dominant ______ x pure recessive ______
Cross #2- pure dominant ______
x hybrid ______

7. Lab book Answers Cross #3- hybrid ______ x hybrid ______
Cross #4- hybrid ______ x pure
recessive ______