As far as I know, the Bible doesn't talk about Mary's conception. Why should it?
None of the Mormon sacred books talks about her specific "spiritual" conception, either, in Kolob. (More eisegesis from you & other Lds).
The Bible does talk about her conception. It is specific about it because it is a most incredible event.
Look up the Greek for begotten. Here, I'll do it for you as your scholarship is wanting:
gennaó: to beget, to bring forth
Original Word: γεννάω
Part of Speech: Verb
Transliteration: gennaó
Phonetic Spelling: (ghen-nah'-o)
Short Definition: I beget, bring forth, give birth to
Definition: I beget (of the male), (of the female) I bring forth, give birth to.
That should clarify the matter for you and stop your dissembling on this issue. But, wait! There's more:
Then said Mary unto the angel How shall this be seeing I know not a man
Go to the site and do a word by word search to get the implications of Luke 1:35. There is nothing prurient in the conception of Jesus. It is in its proper context sacred. Of course, the Scriptures never call Mary a virgin again.