DIHYBRID PUNNETT SQUARE PRACTICE PROBLEMS Problem A: Suppose that black hair (B) is dominant over blonde hair (b) and brown
eyes (E) are dominant over blue eyes (e).
The father has black hair (heterozygous) and brown eyes (heterozygous) and the mother
has blonde hair and blue eyes.
Genotype of father - BbEe Genotype of mother - bbee
1. What percent of the offspring will be totally heterozygous?
2. What is the phenotype ratio?
3. What percent of the offspring will have blonde hair and blue eyes?

Astudent completed a lab report. which correctly describes the difference between the “question” and “hypothesis” sections of her report? “question” states what she is asking, and “hypothesis” states the result of her experiment. “question” states what she is asking, and “hypothesis” states what she thinks the answer to that question is in “if . . then . . because” format. “question” describes what she is trying to find out, and "hypothesis" states the procedures and methods of data collection. “question” describes what she is trying to find out, and “hypothesis” states any additional information or prior knowledge about the question.