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Tay Sachs disease is the result of abnormal genes, much like sickle cell, and both can be identified with genetic screening. As a result of screening programs, Tay Sachs is now very rare in North America, but sickle cell is not. What's different between these cases?
Shitao
A Chinese monk and painter of the Qing Dynasty, known for his innovative landscape paintings and calligraphy.
Handscroll
A long narrow piece of paper or silk, used in East Asian art for painting and calligraphy, viewed by unrolling horizontally.
Negative Income Tax
A system where individuals earning below a certain amount receive supplemental pay from the government instead of paying taxes.
Tax Liability
The total amount of taxes an individual or organization owes to the tax authorities.
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