When closely placed genes on the same chromosome are inherited together the phenomenon is known as

Gene which suppresses other gene’s activity but does not lie on the same locus is called as

How many true breeding pea plant varieties did Mendel select as pairs, which were similar except in one character with contrasting tralts$?$

Cytoplasmic male sterility in maize is manifestation of interaction between

Assertion : Persons suffering from haemophilia fail to produce blood clotting factor $VIII$.

Reason : Prothrombin producing platelets in such persons are found in very low concentration.