The eggs and sperms involved from the fungi’s selfish isogametes. The no selfish isogametes are same sizes sex cells which fertilized each other but the same isogametes cannot fertilise themselves. The isogametes needed more nutrition to have better children and also quick, sneaky isogametes to fertilise the bigger ones faster.
The female’s gametes, the Eggs, are more valuable than the male’s gametes, the sperms. Also the females invest more to the children than males. They both invest 50% of their genes but females have to support the children through the development. Mothers lose more when the child dies so females have two strategies about how to find good male.
The domestic-bliss