This PowerPoint is a student centered activity that allows students to select between 2 different bird traits (feather color and beak length). After selecting the trait, students select the phenotype/genotype of the male and female birds. A Punnett Square is then generated along with the percentag. Punnett Square. Punnett Square - Displaying top 8 worksheets found for this concept. Some of the worksheets for this concept are Punnett square work, More punnett square practice 11, Genetics work, Punnett squares answer key, Aa ee ii mm bb ff jj nn cc gg kk oo dd hh ll pp, Dihybrid punnett square practice, Punnett square work, Bikini bottom genetics name. Punnett Square Exercises 1 December 13, 2013 Punnett Square Exercises. The parents of a family of 7 black and 2 white gunea pigs Use a Punnett square to illustrate your answer. (Hint The FI ratio or approximately 3:1.) The Fl ratio of is ratio 3: L The students shouLd by no.