NEET 2021 Model Test Paper 4

Consider the following statements (a-d) and select the option which includes all the correct ones only :-
(a) A person of blood group O+ve can be universal donor to all Rh antigen containing persons.
(b) All gene mutation result in non synthesis of normal product
(c) Genes present on different loci always code for different characters.
(d) Coat colour in mice shows dominant epistasis as well as supplementry gene interaction.