Cambridge IGCSE Biology practice
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At a glance
3
Paper
1
Marks
Topic
Monohybrid inheritance
Exam-style question
Genetics and inheritance
Description
A dominant allele is one that is expressed in the phenotype if present in the genotype.
State what is meant by a dominant allele?
Aim for approximately 1 distinct marking point.
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Question 1 of 5
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Description
A dominant allele is one that is expressed in the phenotype if present in the genotype.
Describe what happens to the phenotype if a dominant allele is present in the genotype?
Aim for approximately 2 distinct marking points.