Final Answer:
Part A:
1. D
2. A
3. B
4. E
5. C
6. AA, KK, TT
7. ee, mm, uu, qq, ww
8. AA, EE, RR, Ss
9. aa, rr, tt
Part B:
10. Correct Punnett squares:
- First square (Dd x dd) → correct
- Second square (DD x Dd) → incorrect (should be Dd, DD, Dd, DD)
- Third square (AA x aa) → correct
- Fourth square (Aa x aa) → correct
11. The letters on the outside stand for the alleles (gene versions) from each parent.
12. The letters inside stand for the possible gene combinations (genotypes) of the offspring.
13.
First square (NN x nn): All offspring = Nn → put X on all (heterozygous)
Second square (Nn x NN): All offspring = NN or Nn → circle NN (homozygous dominant), put X on Nn (heterozygous)
Third square (Nn x nn): Offspring = Nn or nn → put X on Nn, leave nn unshaded (homozygous recessive)
Fourth square (nn x nn): All offspring = nn → leave all unshaded (homozygous recessive)
Parent Tip: Review the logic above to help your child master the concept of punnett square worksheet middle school.