41.   The ruling turned on whether William Sherman, who the present tribal members say is their common ancestor, was a Golden Hill Paugussett.

42.   The small increase in risk is thought to occur because related people may be carrying some of the same disease-causing genes, inherited from common ancestors.

43.   The two are thought to have diverged from a common ancestor within the past million years.

44.   The two I tested are, and although they descended from a common ancestor, they are as different as Tarzan and Cheetah.

45.   There is much information, both from fossils and molecular analysis, to suggest that elephants and sea cows share a common ancestor, one that was aquatic.

46.   These divisions represent profoundly different lines of evolution that may be rooted in a common ancestor.

47.   They determined, in other words, that every man now on earth is related to every other man and shares a common ancestor.

48.   They found versions of telomerase genes in many organisms, from yeast to pond amoebas to humans, that have not had a common ancestor for billions of years.

49.   They had evolved in different ways, but they were superficially and functionally very much like one another and probably stemmed from distant common Jurassic ancestors.

50.   This is still not the common ancestor but so close that even scientists were freely using a popular expression, missing link, that they usually eschew.