F (symbol)


F (symbol): A much used symbol, F stands for fractional concentration; free energy; Fahrenheit; visual field; fluorine; force; filial generation, followed by subscript numerals indicating specified matings such as F1); the amino acid phenylalanine; the coefficient of inbreeding , etc.

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  • F (coefficient of inbreeding)

    F (coefficient of inbreeding): F is the symbol for the coefficient of inbreeding, a way of gauging how close two people are genetically to one another. The coefficient of inbreeding, F, is the probability that a person with two identical genes received both genes from one ancestor. Take, for example, the mating of first cousins […]

  • FCC

    FCC: In medicine, familial colorectal cancer (not the Federal Communications Commission).

  • FDA recalls

    FDA recalls: The recall of a defective or possibly harmful product by the US Food & Drug Administration (the FDA). These recalls are often highly publicized in newspapers and on radio and TV news broadcasts. Recent headlines in major newspapers such as “FDA Orders Peanut Butter Recall” and “FDA Orders 6,500 Cases of Red-Dyed Mints […]

  • Fear of age

    Fear of age: An abnormal and persistent fear of growing old is termed gerascophobia. Sufferers of gerascophobia feel undue anxiety about aging even though they may be in good health — physically, economically and otherwise. They may worry about the loss of their looks, the loss of independence, inactivity after retirement, impaired mobility, the onset […]

  • Fear of animals

    Fear of animals: An abnormal and persistent fear of animals termed “zoophobia. A phobia is an unreasonable fear that can cause avoidance and panic. Phobias are a relatively common type of anxiety disorder. Phobias can be treated with cognitive behavioral therapy using exposure and fear reduction techniques. In many cases, anti-anxiety or anti-depressant medication proves […]


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