Word: snellings
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When a movie star is billed as having "it" or "oomph," what she probably has is heterosis (hybrid vigor). At least, that is what Geneticist George D. Snell says. In the current Quarterly Review of Biology, Snell assembles evidence to show that superior qualities in humans, including physical attractiveness, are often due to heterosis, resulting from the crossing of two strains...
...Snell describes heterosis in the case of swine (Hampshires crossed with Duroc Jerseys produced superior pigs). Since he cannot repeat the same experiment with people, he sifts a great mass of records to look for self-propelled experiments in human hybridization...
England experienced another kind of hybridization. During the Middle Ages, small groups of peasants kept to themselves in isolated villages. Some were racially distinct; others became distinct because of inbreeding. During the 16th century these enclaves broke up. The mingling of blood, says Dr. Snell, may have produced the outburst of talent and energy that characterized the Elizabethan...
...well known for hybridization. Dr. Snell lists many prominent Americans as being the offspring of crossed strains-e.g., Henry Ford was English-Dutch; Alexander Hamilton was Scottish-French; Theodore Roosevelt was Dutch-English-Scottish-French. Lists of famous Americans show a high proportion of mixed ancestry...
Paul Garrig (H) beat Jack Snell (MIT), 15-9, 16-13, 15-9, and Matt Reynolds (H) won over Ron Gibson (MIT), 15-11, 15-7, 15-10. Fifth man Hank Swigert (H), who is the only junior on the team, beat Joe Melavas...