A Bacterium of Genotype A⁺b⁺c⁺d⁺ Is the Donor in a Cotransformation

Multiple Choice

A bacterium of genotype a⁺b⁺c⁺d⁺ is the donor in a cotransformation mapping.The recipient is a^-b^-c^-d^-.Data from the transformed cells are shown below.What is the order of the genes? a⁺ and b⁺ 2
A⁺ and c⁺ 0
A⁺ and d⁺ 5
B⁺ and c⁺ 5
B⁺ and d⁺ 0
C⁺ and d⁺ 0

A) a c b d
B) a d c b
C) c b a d
D) c a d b
E) b c d a