A population of fruit flies contains four phenotypes AB, Ab, aB, ab characterised by wing shape (A or a) and eye colour (B or b) which occur in the ratio 9 : 3 : 3 : 1. If two members of the population are selected at
random, what is the probability that they will have the same wing shape
(i) given that that they have the same eye colour and (ii) given that they
have different eyes colours? Are the two characteristics, wing shape and
eye colour, independently assorted?

Mariah is randomly choosing three books to read from the following: 5 mysteries, 7 biographies, and 8 science fiction novels. which of these statements are true? check all that apply. there are 20c3 possible ways to choose three books to read. there are 5c3 possible ways to choose three mysteries to read. there are 15c3 possible ways to choose three books that are not all mysteries. the probability that mariah will choose 3 mysteries can be expressed as . the probability that mariah will not choose all mysteries can be expressed as 1 −