Read the following statements and pick the correct ones 
A) Genotypic ratios can be calculated using mathematical probability, but it is not possible to find out the genotypic composition by looking at the phenotype of a dominant trait.
B) A single dominant allele is sufficient to express the red color in a snap dragon flower. 
C) The binomial expression has the gametes bearing genes T or t at an equal frequency of 1/4.
D) Gamete can have many alleles, although not of the same gene.