Science, Maths & Technology
Inheritance of characters
...adult. The life cycle shown in Figure 4.1 depicts all of the stages that a human must go through from conception through birth to reach adulthood. One consequence of fertilization can be examined by following the behaviour of the sex chromosomes. We can do this by returning to Figure 4.1, the top part of which we considered earlier. Figure 4.2 is a mating diagram, which...