Now let's assume that it's sex linked dominant. Can it be sex linked dominant? Well, if it's sex linked dominant, what that means is this individual, so this individual will have the disease, will have the phenotype for that disease, this individual will have the phenotype for that disease. And it also means that this individual will also have the disease for that particular phenotype for that particular disease, all other individuals. So we have X lowercase by and X lowercase BX lowercase B, these individuals will be normal. So with this in mind, let's fill out the following pedigree.