More like looking at stuff near to our eyes all the time - e.g. a screen

... I disagree. It is funny due to the contrast in "behaviour" (these are cells, not animals) which is shown via the contrasting images (don't worry, I'm not going to mansplain the term "meme" ). I daresay that if you can easily turn the joke around, it doesn't rely on stereotypes. Since this is the case (make a meme about asymmetric division in oocytogenesis compared to equal division in spermatogenesis) it's simply funny. I suggest more calm.

I'll bite: How is this related to gender?

I didn't see the dog at first and thought you were trying to make some kind of statement.

What?

I'm a simple life scientist: I see DNA, I upvote.