MCQ
Colour blindness in man is
- ADue of deficiency of vitamin $A$
- BDue of absence of visual purple in retina
- CDue to absence of rods in retina
- ✓A sex linked abnormality
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| (A) | (B) | (C) | (D) |
$II.$ The bacteria should be made competent to accept the $DNA$ molecule
The correct option regarding the above statements is