Question on Telomeres

I understand the general concept of Telomeres buffering the genetic sequence, and that they degrade over time with each division of the cell. My question is: What creates and/or repairs the Telomeres in sex cells and related cells, to ensure a full amount of cell divisions for the resultant zygote? Is it Telomerase, and if so, why is the process specific to only the sexual reproduction process? If this didn't happen, wouldn't the genetic code of even sex cells degrade with every iteration meiosis? I know sex cells only divide once, however after many generations? wouldn't their DNA degrade without the protection provided by Telomeres?

I apologize for the bulk of questions, I am only trying to clarify my exact question, so as to avoid general answers that may be found online with a quick web query.

Thank you for your time and effort!