which of the following term represents a pair of contrasting factors of a character

1. homozygous
2. allele
3. hetrozygous
4. phenotypes

The genetics termheterozygousrefers to a pair of genes where one is dominant and one is recessive — they're different, pair of contrasting factors.

Thanks and Regards
Apoorva Arora
IIT Roorkee
askIITians Faculty