ConceptConceptDocsDocuments

CAIE IGCSE Biology 17.4.3 Defining Phenotype

Practise defining phenotype as observable features and translating a genotype into the visible characteristic it produces.

Syllabus
2026–2028
Course
Biology 0610

Exam points

  • define phenotype as the observable features of an organism
  • distinguish phenotype from genotype, which describes allele combination or genetic make-up
  • state the visible characteristic produced by a specified genotype in a cross

17.4.3—Phenotype as the observable features question 1

[Maximum number: 1]

Fig. 6.1 is a photomicrograph of a blood clot.

Fig. 6.1

Fig. 6.1

There are four blood group phenotypes A, B, AB and O in humans.

Define the term phenotype.

All question bank results loaded