- A. BB = Homozygous dominant
- B. Bb = Heterozygous
- C. Gg = Heterozygous
- D. gg = Homozygous recessive
- E. aa = Homozygous recessive
- F. Ee = Heterozygous
- A. Bb = Brown eyes
- B. BB = Brown eyes
- C. bb = blue eyes
- a. What is the genotype of the parents? Rr x rr
- b. Set up a Punnett square with possible gametes.
- R r
- r Rr rr
- r Rr rr
- c. Fill in the Punnett square for the resultant offspring.
- d. What is the predicted genotypic ratio for the offspring? 1 Rr : 1 rr
- e. What is the predicted phenotypic ratio for the offspring? 1 smooth : 1 wrinkled
- f. If this cross produced 50 seeds how many would you predict to have a wrinkled pod? 25
- a. What is the probability of having a normal child? 1/3... 33.3%
- b. What is the probability that the next child will also be normal? 1/3... 33.3%
- c. What is the probability of having a child that is a dwarf? 2/3... 66.6%
- d. What is the probability of having a child that dies at one from this disorder? 25%
Parent Tip: Review the logic above to help your child master the concept of punnett square worksheet with answers.
