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Because the gene that synthesizes vitamin C is full of deleterious mutations in humans and is inactivated. This is posited to be caused by our primate ancestors being basically fruitovores and not needing to synthesize vitamin C, so this gene could have started picking up mutations that were not visible to natural selection and so were not selected out.
What else can I help you with?
Is there Vitamin C in butter?
No, Vitamin C is not found in butter.
Where is vitamin c naturally found?
vitamin c found in yellow fruit and dark leafy vegetable
What is vitamin C made?
Vitamin C is ascorbic acid - C6H8O6. Sources of vitamin C are vegetable products; but for a great production vitamin C is man made.
What important vitamin is found in orange?
Vitamin C
What are the different vitamins found in hen?
Vitamin C vitamin A and Vitamin D
Which is the main vitamin found in citrus fruits?
Vitamin C
Is vitamin C a very common Vitamin?
Vitamin C is very common, in that it is found in all fresh fruits and vegetables.
Is there more vitamin c than human milk?
Vitamin C can be found in citrus fruits.
Which vitamin found in tomato?
C
What important vitamin is found in large quantities in oranges?
Vitamin C
What nutrients are found in tomato puree?
Vitamin A, vitamin C, and iron.
What are the main nutrients found in the fruits?
Paticularly Vitamin CThe main nutrients found in fruits are vitamins. These vitamins include but are not limited to vitamin C, B, A, K, and D.
