According to Hardy-Weinberg principle, difference in the values of measured and expected allelic frequencies indicates all of the following, except

Which of the following is a vestigial organ?

There are two opposing views about origin of modern man. According to one view Homo erectus in Asia were the ancestors of modern man. A study of variation of $DNA $ however suggested African origin of modern man. What kind of observation on $DNA$ variation could suggest this

Development of patagia in animals is an