Explain codominance using the provided pedigree chart and determine the genotypes of flowers A, B, and C.

Here are the answers to your questions:

2.4.1

The type of inheritance shown is codominance.

2.4.2

In codominance, both alleles are expressed equally and distinctly in the heterozygous individual. The pedigree diagram shows that flowers with the heterozygous genotype (represented by the grey boxes) display both white and red colours simultaneously, as indicated by the key "Flower with equal distribution of white and red colour," rather than an intermediate blend.

2.4.3

Using the symbols R for red and W for white:

• a) A: The flower A is red (black box). Its genotype is $\boxed{\text{RR}}$.
• b) B: The flower B has an equal distribution of white and red colour (grey box). Its genotype is $\boxed{\text{RW}}$.
• c) C: The flower C is white (white box). Its genotype is $\boxed{\text{WW}}$.