Page 1 - 2000 edition - displays DNA diagram (6,3)

I believe the answer is:

genome map

I'm a little stuck... Click here to teach me more about this clue!

'page 1 2000 edition' is the definition.
I don't know anything about this answer so I can't tell whether this works.

'dna diagram' is the wordplay.
'dna' becomes 'genome' (I am not sure about this - if you are sure you should believe this answer much more).
'diagram' becomes 'map' (I've seen this in another clue).
'genome'+'map'='GENOME MAP'

'displays' is the link.

Can you help me to learn more?

I've seen this clue in the Sydney Morning Herald.

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