Punnett Squares Practice WorksheetPunnett Squares Practice Genetics • Page 1 of 2 Name: Date: Period: Directions Fill in all 4 boxes of each Punnett square by combining the alleles from Parent 1 (top) and Parent 2 (left). 1 Cross Bb × Bb Top: Bb Side: Bb B b B b 2 Cross Tt × tt Top: Tt Side: tt T t t t 3 Cross RR × Rr Top: RR Side: Rr R R R r 4 Cross Gg × gg Top: Gg Side: gg G g g g 5 Cross DD × dd Top: DD Side: dd D D d d Page 1 • Turn over for Questions 6–10 Punnett Squares Practice Genetics • Page 2 of 2 Name: 6 Cross Ee × Ee Top: Ee Side: Ee E e E e 7 Cross Hh × HH Top: Hh Side: HH H h H H 8 Cross Nn × nn Top: Nn Side: nn N n n n 9 Cross Aa × aa Top: Aa Side: aa A a a a 10 Cross Yy × Yy Top: Yy Side: Yy Y y Y y Page 2 of 2 • End of Worksheet