n. 研究人员
By comparing identical twins, who share nearly 100 percent of their genes, and non-identical twins, who share about half, researchers have found overwhelming evidence for genetic effects on behaviors.
四级 · CET-4 2026年6月 第1套 · Part III 第51–55题
What have researchers found by studying identical and non-identical twins?
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This sensitivity isn’t a matter of taste, either, but rather is influenced by a person’s genetic makeup, the researchers said in the study.
四级 · CET-4 2026年6月 第2套 · Part III 选词填空
“You'd expect that people who are particularly sensitive to the bitter taste of caffeine would drink less coffee,” said study senior researcher Marilyn Cornelis.
四级 · CET-4 2026年6月 第2套 · Part III 选词填空
Researchers conducted the study to understand how genetics influences people’s of tea, coffee and alcohol which tend to taste bitter, said lead study researcher Jue Sheng Ong.
四级 · CET-4 2026年6月 第2套 · Part III 选词填空