They mate. The male dog inserts his penis into the female dog's vagina. The male dog then humps the female dog, and then the male dog ejaculates semen into the female dog's vagina.
A female dog does not go into heat while pregnant.
No
no
You don't make a male dog, the male and female breed and then the body makes the pups into either male or female
Not nessessarly, I don't think. But they can sense that a female is in heat.
No, if you have a pregnant male dog it is a female.
Three of four minutes
By mating with a male dog.
No. As far as I know they don't do sex change operations on dogs. There is no need for it. If you neuter a male dog, he will still be a male dog, but unable to make a female dog pregnant. That's all.
A female dog does not go into heat while pregnant.
yes
Often, a male dog is protective of the pregnant female dog, usually if he is the "mate." Sometimes dogs, mates of the pregnant dog or not, will act aggressivley towards the female dog, also known as the "bitch."
If the male has not been neutered and/or the female has not been spayed, then yes. And unneutered dog can get any unspayed female dog pregnant.
Yes a female dog can get pregnant but I would suggest you don't let the male near the female.
No
no
Well a dog normally breeds when a male dog puts its leg around the female.