Which of the following is not a possible cause of lethality of individuals carrying a deletion mutation?

Q. Which of the following is not a possible cause of lethality of individuals carrying a deletion mutation?

A.            Lack of diversity

B.            Genomic imbalance

C.            Genes that are not haplo sufficient doesn’t produce adequate gene product

D.            Unmasking of lethal recessive alleles

Answer: Lack of diversity