Codominance in flowers (red × white → all pink) means the F2 ratio is

  1. 1 red : 2 pink : 1 white
  2. all pink
  3. 9 : 3 : 3 : 1
  4. 3 red : 1 white
Answer

A) 1 red : 2 pink : 1 white

Each genotype has its own phenotype. AS & A Level Biology · Topic 16 Inheritance · 16.2 The roles of genes in determining the phenotype

Biology MCQ · More A Level Biology: Inheritance MCQs · Practise