Series Genetics Season 2 Of Germs and Genes

Series: Genetics Season 2: Of Germs and Genes Episode 3: Dihybrids Objective: Create a model showing how gamete combinations creates unique phenotypes for offspring Bell Ringer: Have a seat

Claims, Evidence, Reasoning Paragraph Writing: Topic sentence: Restate your claim Evidence: Find a piece of evidence from your source. Either cite it appropriately, or put it in your own words. Reasoning: Explain how your evidence supports your claim Evidence: Pick a different piece of evidence from your source. Reasoning: Explain how this new evidence supports your claim. Concluding Sentence: Wrap it up!

MONOHYBRID CROSS REVIEW • Gametes will only pass on ONE gene each: A or a • These genes are written on the outside of the Punnett square. • The inside of the square shows the possible offspring genotypes. • Dominant genes are uppercase letters, recessive are lowercase letters.

DIHYBRID CROSSES • Dihybrid crosses show the possible outcome of two different traits. • Each trait is represented by a different letter. • Parents pass on one of each trait (one of each letter). • Rr. Yy = Mom Rr. Yy = Dad • Use foil to find all four combinations

SPONGEBOB DIHYBRID CROSS WORKSHEET • COMPLETE THE SPONGEBOB DIHYBRID CROSS WORKSHEET. PUT IN THE TURN IN BIN WHEN DONE. • THE EXTRA CREDIT IS AVAILABLE ON THE FRONT DESK