Question

Suppose eye colour of humans is governed by one gene. If black eye colour is dominant over green eye colour, then which letter correctly represents the dominant allele and the recessive allele respectively?

Answer 1

As black eye colour is dominant over green eye colour, the dominant allele is represented by the first letter of the dominant character in capitals (B) and the recessive allele is represented by the first letter of the dominant character in small letter (b).