Consider the following statements regarding the Ultra-conserved elements:
Statement I: Certain segments of human and mouse DNA have remained unchanged for millions of years.
Statement II: Ultra-conserved elements are highly preserved across species because they regulate essential developmental, reproductive, and gene expression processes.
Statement III: They encode proteins essential for basic cellular functions, which cannot tolerate genetic modifications.
Which one of the following is correct in respect of the above statements?
1
Both Statement II and Statement III are correct, and both of them explain Statement I.
2
Both Statement II and Statement III are correct, but only one of them explains Statement I.
3
Only one of the Statements II and III is correct, and that explains Statement I.
4
Neither Statement II nor Statement III is correct.