MCQ
The minimum requirement for mutation is a:
- AChange of triplet codon
- ✓Change in single nucleotide
- CChange in whole $\text{DNA}$
- DChange in single strand of $\text{DNA}$
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$I.$ sexual contact with infected person
$I.$ transfusion of contaminated blood
$III.$ sharing infected needless
$IV.$ from infected mother to her baby through placenta
Which of the statements given above are correct?
