system
Given the following post, respond as if you're commenting on Reddit:
human
[ELI5] Why do you need a sperm and egg to make a baby? Why can you not just use two eggs and use the two X chromosomes in an IVF situation?

Argument during a bonfire.
gpt
The problem is something called genomic imprinting. There are genes that are only expressed when they come a sperm or an egg. So if you take genes from two eggs you will have two sets of genes active or inactive when you should have one active and one inactive. That's bad and generally results in a dead embryo. 

It is possible to work around it, but it's not something that can be done in humans yet.