21
Match List - I with List - II :
Choose the correct answer from the options given below :
|
List - I
Crop and trait
|
List - II
Transgene
|
||
|---|---|---|---|
| A | Sweet potato (storage protein Sweet potato (storage protein | I | *crtB* *crtB* |
| B | Carrot (Calcium content Carrot (Calcium content | II | *ββ* *ββ* |
| C | Lettuce (Zinc content Lettuce (Zinc content | III | *sCAX1* *sCAX1* |
| D | Potato (carotenoid content Potato (carotenoid content | IV | *asp-1* *asp-1* |
EXPLANATION
Vegetable Genomics, QTL Mapping & Marker-Assi
- Sweet Potato (Storage Protein) $\rightarrow$ (IV) asp-1: Transgenic expression of the artificial storage protein gene (asp-1) significantly elevates essential amino acid profiles (methionine, threonine, lysine) in sweet potato tubers.
- Carrot (Calcium Content) $\rightarrow$ (III) sCAX1: Transgenic carrots expressing modified Arabidopsis cation exchanger gene (sCAX1) accumulate nearly double the bioavailable calcium in taproots.
- Lettuce (Zinc Content) $\rightarrow$ (II) $\beta\beta$: Biofortified lettuce engineered for enhanced zinc accumulation.
- Potato (Carotenoid Content) $\rightarrow$ (I) crtB: Golden potato expressing the bacterial phytoene synthase gene (crtB from Pantoea ananatis) accumulates high levels of $\beta$-carotene and provitamin A in tubers.
- Correct Option: Option 3 ((A) - (IV), (B) - (III), (C) - (II), (D) - (I)).
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