Prince Herscherik And the Kingdom of Sorrow

9. Show with the use of pedigree how an x linked dominant trait can be transmited from parents to offspring. Support your discussion showing how alleles are used.

X-linked dominant traits do not necessarily affect males more than females (unlike X-linked recessive traits). The exact pattern of inheritance varies, depending on whether the father or the mother has the trait of interest. All daughters of an affected father will also be affected but none of his sons will be affected (unless the mother is also affected). In addition, the mother of an affected son is also affected (but not necessarily the other way round). Prince Herscherik And the Kingdom of Sorrow