Kiwifruit duplicated its vitamin C genes twice, 50 million and 20 million years ago
date:Sep 21, 2018
offee and grape genomes. Kiwis, coffee, and grapes share a common ancestor and thus share large swaths of genetic information.

When Wang and his team aligned the thousands of genes shared by the three plants, they found that the kiwi's genome often contained four or five copies of a gene in places where the coffee or grape had only one. The kiwi's extra genes included the biological instructions for creating and recycling vitamin C.

Vitamin C is not just healthy for people -- it also aids plan
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