A woman has a 32-day menstrual cycle. In this cycle, ovulation occurs 14 days before the next menstruation begins. Day 1 is the first day of menstruation.
Which statement correctly identifies the approximate day and event?
day 18; an embryo is released from the uterus
day 14; a mature egg is released from an ovary
day 14; an embryo is released from the uterus
day 18; a mature egg is released from an ovary
48 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.