if brian has a son who is color-blind, what is known about the genotype of the son's mother?; which family members have red-green color blindness ; who has hemophilia in the pedigree that is shown?; what is the phenotypic ratio of the offspring? 1:1:1:1:2:2:2:2:4 1:3:3:9 1:4 4:12; the pedigree traces red-green color blindness.; which are different forms of the same gene? genotypes phenotypes alleles traits; in order for baby sylvester to have the genotype ii his parents must be; which scenario breaks the law of segregation?