How many phenotypes are there in ABO blood types?

The ABO blood group antigens are encoded by one genetic locus, the ABO locus, which has three alternative allelic forms A, B, and O a child receives one of the three alleles from each parent, giving rise to six possible genotypes and four possible blood types phenotypes

Explanation:

6 genotypes and 4 phenotypes

Explanation:

i think that it is plants

both male and female gametes are produced by meiosis of the germ cells. therefore, both male and female gametes are haploid. one male and one female gamete unite during the fertilization to form the diploid zygote. in seed bearing plants, pollen grain is the male gametophyte, which produces sperm cells.