If Jesus had the sinful nature in Him there would have been no need for the immaculate conception. He would have been conceived like Moses or David or any other OT figure.
The sin nature is transmitted through the man ... not the woman.
“The sin nature is transmitted through the man ... not the woman.”
You can’t be serious. Is that what Catholics believe???
Such a contention ignores Genesis and the creation of woman from man, as well as modern genetics. The X chromosome comes from man. Two of them make a woman.
All are fallen, none are sinless other than Jesus Christ himself. Mary was a sinner in need of salvation. The Bible tells us this.