question_answer

Match the following columns.

	Column I		Column II
A.	Dominance	1.	Many genes govern a single character
B.	Codominance	2.	In a heterozygous organism, only one allele expresses itself
C.	Pleiotropy	3.	In a heterozygous organism, both alleles express themselves fully
D.	Polygenic inheritance	4.	A single gene influences many characters

Codes

A) A-2       B-1       C-4       D-3

B) A-2       B-3       C-4       D-1

C) A-4       B-1       C-2       D-3

D) A-4       B-3       C-1       D-2