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2 25 Punnett Squares
- 15. B b b B Parent 1 : homozygous dominant = BB Parent 2 : homozygous recessive = bb B b B b B b B b
- 16. B b B b Parent 1 : heterozygous (Bb) Parent 2 : heterozygous (Bb) b b B b B B b B
- 17. B b B b Genotypic ratio of offspring 1BB : 2Bb : 1bb Phenotypic ratio of offspring 3 brown hair : 1 blond hair (75% chance) (25% chance) bb Blond hair Bb Brown hair BB Brown hair Bb Brown hair