Chimera is produced due to
Somatic mutations
Reverse mutations
Lethal mutations
Pleiotropic mutations
Absence or excess or abnormal arrangement of one or more chromosomes results in
Haemophilia is also called
The progenies are found to be male sterile after crossing two plants. This is due to some genes, which are present in
The example of epistatic gene is shown by
Sickle cell anaemia has not been eliminated from the African population because