Question

Given ahead is a table showing the genotypes and the phenotypes of blood groups in human population:

1. Identify the genotypes (W) and (X) and the phenotypes (Y) and (Z).
2. Name the pattern of inheritance exhibited by the phenotypes (Y) and (Z) in the table.

S. No.	Genotype	Phenotype
1.	(W)
2.	IBIO	(Y)
3.	IAIB	(Z)
4.	(X)	O

Answer 1

1. I^A i, i i, B, AB respectively.
2. Co-dominance