INCOMPLETE DOMINANCE
When the experiments were repeated on other traits on other plants, sometimes it was found that F1 progeny does not resemble either of the parent, it was a mixture of two.
For example: Snapdragon or Antirrhinum sp. or dog flower – inheritance of flower color.
Pic shows Incomplete dominance.
Genotypic ratio was same as we would expect in Mendelian monohybrid cross but phenotypic ratio is changed.