Match column I with column II

	Column I		Column II
a.	Alleles	i.	Slightly different forms of the same gene.
b.	Test cross	ii.	Phenomenon which results in alteration of DNA sequences and consequently results in changes in the genotype and the phenotype of an organism.
c.	Mutation	iii.	Quantitative inheritance.
d.	Polygenic inheritance	iv.	Organism showing a dominant phenotype whose genotype is to be determined is crossed with the recessive parent.

• A

  a-i, b-iv, c-iii, d-ii

• B

  a-i, b-ii, c-iv, d-iii

• C

  a-i, b-iv, c-ii, d-iii

• D

  a-iv, b-i, c-ii, d-iii