Many species of animals carry an allele for albinism (lack of pigmentation ). Albinos are usually pale or white in color. Explain why the allele for albinism is present at a lower frequency than the allele for having pigments . What conditions would be necessary for the albino allele to be more frequent ?

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.