[ELI5] If any sperm would’ve gotten same upbringing and environment as we got then, why does fertilization of our own sperm is a miracle?

Question

like if my dad would’ve flushed me, and any other sperm had fertilized then the other sperm which was born would think like i do or it would think differently?

In: 0

Answer 1

Your personal traits rely on both your genetics (the specific egg & sperm that created you) and environment. A different sperm would change your genetics so you would think differently than you do now even with the exact same upbringing.