Unwanted pregnancy or std ( sexually transmitted disease <span />
I believe the answer is: <span>Spores are released into the environment and grow into male and female gametophytes.
This Phase happens after </span>a haploid egg cell is fertilized by a haploid <span>sperm and then released to the environment. . This will result on Double sites of chromosomes that held by each parent (</span><span>grow into male and female gametophytes.)</span>
Because when under the light the ph tend to change through electricity