1. T. Trimpe 2008 http://sciencespot.net/

2. 1. One of SpongeBob’s cousins with hybrid round eyes (Rr) had children with someone who also had hybrid round eyes (Rr). A. Create a Punnett square to show the possible offspring that would result from this cross. B. Give the genotypes and phenotypes of the offspring. C. What percentage of the children should have round eyes? 2. Another of SpongeBob’s cousins with hybrid round eyes (Rr) had children with someone who has oval eyes (rr). A. Create a Punnett square to show the possible offspring that would result from this cross. B. Give the genotypes and phenotypes of the offspring. C. What percentage of the children should have round eyes?

3. 1. One of SpongeBob’s cousins with hybrid round eyes (Rr) had children with someone who also had hybrid round eyes (Rr). A. Create a Punnett square to show the possible offspring that would result from this cross. B. Give the genotypes and phenotypes of the offspring. C. What percentage of the children should have round eyes? R r Rr RRRr rr RR = Round eyes Rr = Round eyes rr = Oval eyes 75%

4. 2. One of SpongeBob’s cousins with hybrid round eyes (Rr) had children with someone who has oval eyes (rr). A. Create a Punnett square to show the possible offspring that would result from this cross. B. Give the genotypes and phenotypes of the offspring. C. What percentage of the children should have round eyes? R r rr Rr rr Rr = Round eyes rr = Oval eyes 50%