The one feature that is most helpful in determining in a pedigree if a particular condition, which was occurring in multiple generations of a family is likely to be X-linked dominant rather than...

The one feature that is most helpful in determining in a pedigree if a particular condition, which was occurring in multiple generations of a family is likely to be X-linked dominant rather than autosomal dominant is

A. females affected more severely than males. B. lack of female-to-female transmission. C. more males affected than females. D. all daughters of affected males are affected. E. condition not appearing in any descendants of affected males.