Info on fertility please

My spouse went through this before we were married. He was a 22-year old man and did not bank sperm or anything. He did indead loose one of his testicles. That was 6 years ago and we have since been blessed with a beautiful little boy. We recently found out that we are 7 weeks pregnant. We are so thrilled. We heard something that we wondered about. I was wandering if any of you have heard this likewise. Each testicle produces only one chromosome. Resulting in only being able to concieve one gender. This may sound a little crazy, but I was hopeing someone could prove this staement wrong by experience or anything. Thank you

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