Match the terms in Column I with their description in Column II and choose the correct option:

Column I			Column II
Dominance	a	i	Many genes govern a single character
Codominance	b	ii	In a heterozygous organism only one allele expresses itself.
Pleiotropy	c	iii	In a heterozygous organism both alleles express themselves fully.
Polygenic inheritance	d	iv	A single gene influences many characters

The correct option is C a b c d
(ii) (iii) (iv) (i)

Column I			Column II
Dominance	a	ii	In a heterozygous organism only one allele expresses itself.
Codominance	b	iii	In a heterozygous organism both allele expresses themselves fully.
Pleiotropy	c	iv	A single gene influences many characters
Polygenic inheritance	d	i	Many genes govern a single character