AP EAMCET Medical 2016 Paper

Which of the following is true with reference to transformation in bacteria
(I) Transfer of genetic material is mediated by ’F' factor
(II) Uptake of naked DNA fragments from the surrounding environment and the expression of that genetic information inthe recipient cell.
(III) Transformation experiments were the basis to propose chromosomal theory of inheritance.
(IV) Transformation was discovered by Frederick Griffith in Streptococcus pneumonide.