How did vaccines assist to fight against antibodies?

Vaccines help develop immunity by imitating an infection, but this “imitation” infection does not cause illness. It does, however, cause the immune system to develop the same response as it does to a real infection so the body can recognize and fight the vaccine-preventable disease in the future

Since a female is both xx chromosome and the male passes down the x chromosome, than the offspring would be female since a female is xx.