1.
a. I^B I^B
b. I^A i
c. ii
d. I^A I^A or I^A i
e. I^A I^B
f. I^A I^A, I^A i, I^B I^B, I^B i, I^A I^B, ii
g. ii
2.
Brad Pitt: I^B I^B
Angelina Jolie: ii
Punnett Square:
| | I^B | I^B |
|-------|-------|-------|
| i | I^B i | I^B i |
| i | I^B i | I^B i |
All offspring: Type B (100%)
3.
Mother: ii
Father: I^A I^B
Punnett Square:
| | I^A | I^B |
|-------|-------|-------|
| i | I^A i | I^B i |
| i | I^A i | I^B i |
Offspring: 50% Type A (I^A i), 50% Type B (I^B i)
4.
a. I^A i
b. ii; O
c. I^B; B
5.
a. ii
b. I^A I^B
c. I^A i or I^B i
d. Punnett Square:
| | I^A | I^B |
|-------|-------|-------|
| i | I^A i | I^B i |
| i | I^A i | I^B i |
e. No
Parent Tip: Review the logic above to help your child master the concept of codominance worksheet blood types.
