What is the nature of the genetic mutation that causes lactose intolerance?
◦ It is a dominant mutation that prevents lactase production.
◦ It is a dominant mutation that causes a decline in adult lactase levels.
◦ It is a recessive mutation that prevents lactase production.
◦ It is a recessive mutation that causes a decline in adult lactase levels.
◦ It is an X-linked mutation that prevents lactase production.