Question

Given below are groups of terms. In each group, the first pair indicates the relationship between the two terms. Rewrite and complete the second pair on a similar basis.

TT: Homozygous:: Tt : _________

Answer 1

Homozygous allele:

1. It is an individual that possesses identical alleles of genes.
2. Example- TT, RR, rr, tt, etc.
3. These are genetically pure.

Heterozygous allele:

1. It is an individual that possesses both the contrasting alleles of a character.
2. Example- Tt, Rr, Yy, etc.
3. Also known as ‘hybrid’.

TT: Homozygous :: Tt : Heterozygous