The groove of direct hereditary descent in the land of his birth, which he never in thought, and hardly in body, moved out of".
The use of nephews, rather than direct descendants, is a product of the tradition of clerical celibacy within the Catholic Church, although hereditary descent from uncles to nephews is also seen in the patriarchate of the Assyrian Church of the East.
The big unknowns were how heredity worked, how change occurred, and how hereditary variation (called "descent with modification") transformed itself into useful biological diversity.
In time, the Shia were also sub-divided over this question, so that today the Ismailis are the only Shia community who, throughout history, have been led by a living, hereditary Imam in direct descent from the Prophet.
The Islamic claim to supersede Judaism and Christianity is embodied in the theological assertion that the office of prophecy is hereditary but that the line of descent ends with Muhammad, who is the seal, or last, of the prophets.
There were several results: an elaborate and formal system of titles was substituted for the personal names of the Julio-Claudian emperors; there was an increasing tendency to insist on the inherent prerogatives of the principate (such as the censorial power); and there was an attempt to invest Caesarism with a hereditary character, either by natural descent or by adoption.
The association between seventeen reported PCa susceptibility loci was evaluated with a family-based association test using 1,979 hereditary PCa families of European descent collected by members of the International Consortium for Prostate Cancer Genetics, with a total of 5,730 affected men.
This is not to say that no one at the time embraced the importance of variation, evolution, and common descent in understanding hereditary and infectious disease (e.g., Aitken 1885), and over time many scientists and physicians advocated the union of evolution and medicine (Huxley 1881; Aitken 1885; Richardson 1893; Morton 1926; Bynum 1983; Porter 1998; Zampieri 2009).
Swaminarayan decreed that the office should be hereditary so that acharyas would maintain a direct line of blood descent from his family.
Traditional Caddo descent was matrilineal, and a hereditary upper group, marked by head flattening and other status symbols, directed political and religious activities.
This region includes the HMPS/CRAC1 locus associated with hereditary mixed polyposis syndrome (HMPS) in families of Ashkenazi descent.
