A computer program displays the events in a model 30-day menstrual cycle.
The program places ovulation 14 days before the end of the cycle.
State what is meant by ovulation.
Calculate the day number on which the program should place the ovulation label.
90 exam-style questions on Edexcel GCSE Biology 7.2 Reproductive hormones, covering 7.2.1 Stages of the menstrual cycle, 7.2.2 Hormonal control of the menstrual cycle, 7.2.3 Hormonal contraception, 7.2.4 Evaluating contraception methods, and 7.2.5 Hormones in Assisted Reproductive Technology. Each one has a worked solution and a mark scheme showing where the marks go.