Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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Illicit drug use costs the United States approximately $181 billion every year.
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Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
The bicoid mutation in Drosophila.
In some species, dominant females have more surviving offspring that mature earlier indicating an ad
Traits With Single-Gene Dominant–Recessive Inheritance
Missense mutation
Punnett square of the dihybrid cross shown in Figure 3.8. There are two combinations of dominant and
Representative Recessive and Dominant Human Traits