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19306
Your article ends with the claim that “a color-blind person and a noncarrier have no chance of having a color-blind child.” Yet as I recall from basic biology class, color blindness is considered a prime example of a sex-linked trait, which makes the above statement untrue. Carried on the X chromosome, the trait would manifest […]
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19305
This article is somewhat misleading. We physicians long ago learned that blocking the enzymatic process (with Antibuse) helps alcoholics. The news is that increases in acetaldehyde in saliva have “possible local carcinogenic action.” Malcolm A. Sowers Castro Valley, Calif
- Math
Contra Dances, Matrices, and Groups
Though unknown to many people, contra dancing is practiced with great devotion and abandon throughout the United States by fans of this lively dance form.
