In which one of the following, complementary gene interaction rato of $9: 7$ is observed?
Fruit shape in Shepherd's purse
Coat colour in mouse
Feather colour in fowl
Flower colour in pea
At what temperature the blood is stored in bottles
Loss of a $X$ chromosome in a particular cell during its development, results into
Who gave first experimental evidence of the polygenic concept of inheritance
Coupling and repulsion are the two faces of
The movement of a gene from one linkage group to another is called