Genetics: Analysis and Principles 5th Edition by Robert Brooker

Exercise 27

A cross was made between two pea plants, TtAa and Ttaa , where T = tall, t = dwarf, A = axial, and a = terminal. What is the probability that the first three offspring will be tall with axial flowers or dwarf with terminal flowers and the fourth offspring will be tall with axial flowers Discuss what operation(s) (e.g., product rule or binomial expansion equation) you used and in what order they were used.