Contradiction with Genesis 1:27
Genesis 1:27 describes God creating humanity in both male and female from the start, as opposed to Genesis 5:1, which transitions into the genealogy from Adam.
Genesis 1:27: So God created man in his [own] image, in the image of God created he him; male and female created he them.
Contradiction with Genesis 2:7
Genesis 2:7 details the creation of man from the dust of the ground specifically, whereas Genesis 5:1 outlines a written "book of the generations" of Adam, a different focus.
Genesis 2:7: And the LORD God formed man [of] the dust of the ground, and breathed into his nostrils the breath of life; and man became a living soul. [of the dust...: Heb. dust of the ground]
Contradiction with Genesis 2:21-22
Genesis 2:21-22 explains the creation of woman from man's rib, contrasting with Genesis 5:1, which does not delve into how individuals were created but rather lists descendants.
Genesis 2:21-22: And the LORD God caused a deep sleep to fall upon Adam, and he slept: and he took one of his ribs, and closed up the flesh instead thereof;
Contradiction with Genesis 1:26
Genesis 1:26 speaks of man being created to have dominion over animals, while Genesis 5:1 does not discuss man’s purpose or role, instead it shifts to lineage.
Genesis 1:26: And God said, Let us make man in our image, after our likeness: and let them have dominion over the fish of the sea, and over the fowl of the air, and over the cattle, and over all the earth, and over every creeping thing that creepeth upon the earth.