Question: Here is a pedigree for an Ayrshire family that is of great interest to Farmer MacDonald. (In the pedigree, open circles and squares indicate the mahogany phenotype; filled indicate red.) Although Elmer has long ago become a huge pile of Big Macs, Farmer MacDonald has frozen a good supply of Elmer's semen and has used it to artificially inseminate Elmira. What is the probability that Elmira will produce a mahogany female calf? A) 1/2  B) 1/4  C) 3/4  D) 1/16. Please choose an answer from [A, B, C, D].
Answer: D