Question

Give any two points of difference between homozygous and heterozygous.

Answer 1

No.	Homozygous	Heterozygous
1.	Organisms having identical alleles for a character are homozygous.	Organisms having dissimilar alleles for a character are heterozygous.
2.	It is pure or true breeding.	It is hybrid (Does not breed true).
3.	They form only one type of gamete.	They form more than one type of gametes.
e.g.	Tall (TT), Dwarf (tt).	Tall (Tt)