A woman doesn't have a penis so no, a woman can't get a dog pregnant and yes sex can be very addicting.
The biological sex of an individual with XY sex chromosomes in humans is typically male.
male sex chromosome
The sex chromosomes of a man are XY (vs. XX for a woman).
XY
Xy chromosome
xy
XY
If two fraternal twins have the XY sex chromosomes, they will be male.
Y chomozomes, I think. It says on Wikipedia.
XX for a girl and XY for a boy
XY in pair 23
The male human is represented by a sex chromosome consisting of one X chromosome and one Y chromosome (XY).