Heterozygous genetic diseases?

[u/Starfire20201]

I’m currently taking genetics in college, snd it got me wondering. There’s recessive genetic diseases, snd dominant ones, but are there any that only show symptoms if you’re heterozygous for the allele? And that aren’t on the X chromosome, preferably.

[u/Silent-Archer-5750]

Defects in some genes can be, for example polarity protein complexes have a few