Unit 17 · Inheritance
Question Bank
Cambridge IGCSE Biology 0610 · 120 questions
Q72Inheritance
A dominant allele
(a)is expressed only when homozygous
(b)is never expressed
(c)is always harmful
(d)is expressed if it is present
Correct answer: (d) is expressed if it is present
Explanation: A recessive allele is expressed only when no dominant allele is present.
Related lesson
17.4 Monohybrid inheritance (Part 3)Inheritance Tags