NO.
Actually, she can, but she really, really, really shouldn't. I don't think there's too many people out there that would not consider it extremely inappropriate.
Your son's mom is YOU and yes she CAN but it's not a good idea
no
a step brother If your mom's husband already has a son of his own, that makes it your stepbrother. If your mom and her husband later have a child together, that would be your half brother/sister.
no
you can call him your nephew if you are mom's daughter's sibling or if you will be the mom you can call him your grandson.
Your mom's uncle's daughter is your mothers first cousin. Their son would be your second cousin.
that's michaels son but the mom is clueless
Your mom and her son ;)
me and your mom son
maybe
A mom prays for her son's future to be filled with happiness, success, good health, and fulfillment in all aspects of his life.
Your mom's sister is your aunt, and her son is your first cousin.