1. Dihybrid Practice Problems
B= Black hair E= brown eyes b= red hair e= green eyes If Harry’s dad has homozygous black hair and heterozygous brown eyes and his mom has red hair and green eyes, what are the chances of Harry having black hair and brown eyes?

2. 1. TtRR X TtRr Chance of having TtRr?

3. 2. KKDD X kkdd Chance of having KkDd?

4. 3.Predict the possible offspring from a cross between two racehorses that are heterozygous for both traits. F=Black hair G=trotting f=chestnut hair g=pacing Chance of having a Black haired horse that paces?

5. 4. ggYy X GgYY Chance of having ggYY?

6. 5.Predict the possible offspring from a cross between a yellow, heterozygous tall pea plant and a yellow, short pea plant. G=green T= tall g=yellow t= short Chance of having a ggTt?

7. 6. FfRr X FfRr Chance of having Ffrr?

8. 7. Harry’s dad has black hair (dominant) and brown eyes (dominant) while his mom has red hair (recessive) and green eyes (recessive). What is the probability of Harry having black hair and green eyes if his dad is heterozygous for hair and eye color while his mom is homozygous recessive for both hair and eye color?

9. Get the answers from your teacher