Genesis 48:14
And Israel stretched out his right hand, and laid it upon Ephraim’s head, who was the younger, and his left hand upon Manasseh’s head, guiding his hands wittingly; for Manasseh was the firstborn.
Cross-references
In Genesis 48:18, Joseph tries to correct Jacob's crossed hands — revealing the tension over the younger's blessing.
In Genesis 48:19, Jacob explains why he crossed his hands — the younger will be greater, directly clarifying the symbolic act.
Genesis 48:17 shows Joseph trying to correct Jacob's hand placement — the immediate reaction to the reversal described here.
Genesis 41:51 records the birth of Manasseh as Joseph's firstborn — the same son whose blessing is reversed here by Jacob's crossed hands.
Genesis 46:20 lists Manasseh and Ephraim as Joseph's sons born in Egypt — the two being blessed here with reversed hand placement.
Deuteronomy 34:9 shows Moses laying hands on Joshua, a direct parallel to Jacob's hand-laying for blessing and transfer of authority.
In Numbers 8:10, the people lay hands on the Levites for consecration, a parallel ritual of blessing by hand imposition.