A transgenic food crop which may help in solving the problem of night blindess in developing countri

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A transgenic food crop which may help in solving the problem of night blindess in developing countries is

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Vitamin-A deficiency causes nightblindness among children. Vitamin-A deficiency often occurs where rice is the dstable food since, rice grain does not contain β carotene. Three transgenes phytoene synthase, phytoene desaturase, zeta carotene desaturase and lycopene cyclase activities were transferred into rice by Agrobacterium mediated transformation. The resulting treansgenic rice popularly celled Golden rice contains good quantities of β - carotene.
Flavr savr is genetically modified tomato, which remains fresh and retain their flavour much longer than normal due to blocking of synthesis of fruit softening enzyme polygalacturonase.

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