A pair of genes governing a specific character such as tallness or dwarfness
Genes which are inactive
Genes governing eye characters
Genes present in allosomes
Correct answer: (a)
Solution: An allele is a pair of genes located on the same locus of the homologous chromosome. Alleles can be dominant or recessive of the same character, for example, tall & dwarf, round seed & wrinkled seed, green & yellow etc. So the correct answer is "A pair of genes governing a specific character such as tallness or dwarfness".