In previous steps, it was determined that two loci control fruit color, that the parental genotypes are AAbb and aaBB, and that the F1 genotype is AaBb. What is the contribution of alleles at each locus to the phenotype

Aresearcher created three groups based on participants bmi: normal weight, overweight and obese. the hypothesis being tested is that the three groups differ in the mean number of artificially sweetened drinks consumed weekly. which statistical test might the researcher use, assuming a reasonably normal distribution of values.