Traditional leadership roles in communities and kin groups were held on a hereditary basis, but subject to an assessment of the individual leader's competence.

A century ago the Government, led by Herbert Asquith, promised to create a second chamber "constituted on a popular instead of hereditary basis".

Unusual for an industrial body, membership is awarded mainly but not exclusively on a hereditary basis.

A number of studies have shown that there is a greater prevalence of the disease among siblings and especially identical twins, indicating a hereditary basis.

The king would appoint peers to the Chamber of Peers on a hereditary basis, or for life at his discretion.

Although there were districts in hands of other dynasties (such as Ladejarls), the concept of a central power on an hereditary basis had come into existence.

The practice was so popular that each noble family had gusans residing with them on and passing on their skills on a hereditary basis.

Authorities to hold such trials and judge them are granted to few, and that too on a hereditary basis.

But her conviction that there is a hereditary basis to at least some forms of breast cancer is not widely shared.

While Annie struggles, King is pursuing her belief that some forms of breast and ovarian cancer have a hereditary basis.