11.   Dr. Victor Sarianidi, of the Institute of Archaeology in Moscow, found a distinctive architectural pattern in many of the ruins.

12.   He said he was demonstrating the equipment to a class when he saw one student exhibit the distinctive pattern of a more experienced trader.

13.   However, only in the past two years have scientists found enough variable genetic markers on the Y chromosome to match a distinctive pattern with a particular male lineage.

14.   Hydrogen, for example, which comes in its standard form as well as the heavier form deuterium, shows a distinctive pattern of distribution.

15.   If a Martian lander were to find such a distinctive pattern, Farmer would know that he had found an excellent place to look for fossils.

16.   In addition, the family tree of Neanderthal mutations, when compared with those of the chimpanzee and human, yielded a distinctive pattern of variations.

17.   In fact, real honeybees often lack a distinctive banding pattern, and instead are covered by a fuzzy coat of yellow or brownish hairs.

18.   In healthy people, the auditory nerve fires constantly, even when there is no sound, but it has a distinctive firing pattern when sound is absent.

19.   In that portion they identified eight areas where the genetic material repeated in distinctive patterns.

20.   It is up to Foster to look for idiosyncrasies making up a distinctive verbal pattern.