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Punnett Square Practice: SpongeBob's Eye Genetics

Explore genetic inheritance patterns using Punnett squares with SpongeBob's cousins' eye traits. Determine offspring genotypes and phenotypes for different eye types. Calculate the percentage of children with specific eye shapes. Educational resource from sciencespot.net.

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Punnett Square Practice: SpongeBob's Eye Genetics

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  1. Punnett Practice #5 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. R r R RR Rr r Rr rr 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? RR = Round eyesRr = Round eyesrr = Oval eyes 75%

  4. r r R Rr Rr r rr rr 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? Rr = Round eyesrr = Oval eyes 50%

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