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?

• A. G and B
• B. g and B
• C. B and b
• D. b and g

Answer 1

The correct option is C

B and b

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