In 1996, her group found strong but not conclusive evidence that an almost
identical gene controlled cellulose synthesis in cotton.
Not exact matches
Psychiatrist Ming Tsuang and his colleagues at Boston University figured that if
genes help
control what people feel when they smoke pot, then genetically
identical twins should experience a similar kind of high or low when they use the drug.
The use of twins,
identical and fraternal, allowed researchers to
control for the influences of
genes and environment on the development of heart disease and PTSD.