Punnett Square Practice Worksheet for Genetics Education

1. Flower color
a. Purple is dominant (P)
b. White is recessive (p)
c. A PP father and a pp mother
i. What color(s) are the parents? Purple, White
ii. What color(s) are the children? All Purple

2. Seed color
a. Yellow is dominant (Y)
b. Green is recessive (y)
c. A yy father and a yy mother
i. What color(s) are the parents? Both Green
ii. What color(s) are the children? All Green

3. Seed shape
a. Round is dominant (R)
b. Wrinkled is recessive (r)
c. A RR father and an rr mother
i. What shape(s) are the parents? Round, Wrinkled
ii. What shape(s) are the children? All Round

4. Pod color
a. Green is dominant (G)
b. Yellow is recessive (g)
c. A Gg father and a Gg mother
i. What color(s) are the parents? Both Green
ii. What color(s) are the children? 3 Green : 1 Yellow

5. Pod shape
a. Smooth is dominant (S)
b. Wrinkled is recessive (s)
c. A Ss father and a ss mother
i. What shape(s) are the parents? Smooth, Wrinkled
ii. What shape(s) are the children? 1 Smooth : 1 Wrinkled