ABO Blood grouping|Multiple Alleles|Pleiotropy|Polygenic Inheritance

Multiple Allelism|Pleiotrophy|Polygenic Inheritance|Epistases

In polygenic inheritance

Multiple Allelism |Pleiotropy |Polygenic Inheritance|Parallelism Between Genes And Chromosomes|Sex Determination|Mendelian Disorders|Chromosomal Disorders

Multiple Allelism|Polygenic Inheritance|Epistases|Pleiotrophy

Multiple Allelism|Polygenic Inheritance|Epistases|Pleiotrophy

Revision |Drawbacks of Mendel's Laws |Multiple Allelism|Pleiotropy|Polygenic|Epistasis |Chromosomal Theory of Inheritance|Parallelism between Gene and Chromosomes

ABO blood group have :

Multiple alleles control inheritance of

ABO blood group is an example of