Nhumans, having unattached earlobes is the result of a dominant gene, and having attached earlobes is a recessive trait. if a woman with attached earlobes has a child with a man who is homozygous for unattached earlobes, which of the following best describes how the child's earlobes would most likely appear?

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.