a: Genotype and phenotype of parent fish Wild type= SSLL (Scales all over the body) Nude mutant= ssLl (no scales) b: Genotype and phenotype of F1 fish Wild type= SsLL (Scales all over the body) Linear fish= SsLl (linear scale) C: L is incompletely dominant over \"l\" and the heterozygous genotype produces intermediate phenotype. d: Genotype and phenotype of F2 fish Wild type= S-LL (scales all over the body) Linear= S-Ll (linear scale distribution) Nude= ssLl (no scales) New scattered = ssLL (few scattered scales) Solution a: Genotype and phenotype of parent fish Wild type= SSLL (Scales all over the body) Nude mutant= ssLl (no scales) b: Genotype and phenotype of F1 fish Wild type= SsLL (Scales all over the body) Linear fish= SsLl (linear scale) C: L is incompletely dominant over \"l\" and the heterozygous genotype produces intermediate phenotype. d: Genotype and phenotype of F2 fish Wild type= S-LL (scales all over the body) Linear= S-Ll (linear scale distribution) Nude= ssLl (no scales) New scattered = ssLL (few scattered scales).