Unit 17 · Inheritance

Question Bank

Cambridge IGCSE Biology 0610 · 120 questions

Q79Inheritance

In codominance

(a)one allele is hidden

(b)both alleles are expressed in the heterozygote

(c)neither allele is expressed

(d)alleles blend permanently

Correct answer: (b) both alleles are expressed in the heterozygote

Explanation: For example, blood group AB.

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