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Mendel's Laws: Monohybrid Crosses and Punnett Squares — Homework

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Mendel's Laws: Monohybrid Crosses and Punnett Squares — Homework

Review genotype, phenotype, and how to build a Punnett square before answering.

  1. 1.In pea plants, purple flower color (B) is dominant over white (b). What is the phenotype of a heterozygous (Bb) plant?
  2. 2.Set up a Punnett square for a Bb x Bb cross. State the resulting genotype ratio.
  3. 3.Using the same Bb x Bb cross, state the resulting phenotype ratio.
  4. 4.Explain Mendel's law of segregation in one or two sentences.
  5. 5.A Bb x Bb cross produces 4 offspring, and 3 out of 4 happen to be white. Explain whether this disproves the predicted 3:1 ratio, using the word "probability."
🌲 Homeschool of the FutureNinth Grade · Science · week 18 homework