If an organism is diploid and a certain gene found in the organismhas 18 known alleles (variants), then any given organism of thatspecies can/must have which of the following?a) At most, 2 alleles for that geneb) Up to 18 chromosomes with that genec) Up to 18 genes for that traitd) A haploid number of 9 chromosomes.Explain your answer for lifesaver points.