Mendel's results on the inheritance of characters were rediscovered by

Mendel was successful in discovering the principles of inheritance as

Experimental verification of the chromosomal theory of inheritance was done by

Two allelic genes are located on

Mendel's work remain unrecognized for long time due to

$I.$ Communication was not easy

$II.$ Concept of factors which did not blend was not accepted

$III.$ Use of mathematics to explain biological problem was unacceptable

$IV.$ He could not provide any physical proof for the existence of factors Choose the right combination