Yes. But that’s the entire point: epigenetic factors can and do affect gametes. You can have a surgery that results in DNA methylation that in turn affects your sperm that in turn gets passed to your offspring:

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4548616

Obviously, genetics is still by and large the main determiner, but epigenetics can result in genes being expressed or silenced in offspring.