In animals such as snails, which the chapter mentions can change sex, this observation indicates that

Reproductive processes give rise to new individuals that are Science · Heredity In a field of sugarcane, which reproduces largely asexually (vegetatively), we typically observe Science · Heredity Compared to asexually reproducing organisms, sexually reproducing organisms such as humans typically... Science · Heredity If a single bacterium divides repeatedly (asexual reproduction) to produce four bacteria, these four... Science · Heredity