The phrase "affect the fates" is correct and usable in written English.
It can be used when discussing how actions or events can influence outcomes or destinies.
Example: "The choices we make today can significantly affect the fates of future generations."
Alternatives: "influence the destinies" or "impact the outcomes".
It was not immediately clear how, if at all, the committee vote would affect the fates of two obesity drugs awaiting approval from the F.D.A. — Qnexa from Vivus and Lorqess from Arena pharmaceuticals.
With the Supreme Court slated to issue wide-ranging rulings this year that could affect the fates of the Affordable Care Act and gay marriage laws nationwide, Americans have mixed feelings about the judicial branch, a HuffPost/YouGov poll shows.
Generally, it appears that, depending on the specific conditions, TAS can affect the fates of prokaryotic cells in different manners.
Factors other than the environmental issue could also affect the fate of the property.
Too many issues that affect the fate of our overheating world were left unresolved at the end of negotiations.
In that sense an ethnic dispute in the borderlands stands to affect the fate of all Myanmar.
As with the efforts of the neuro-psychoanalytic program, it's unclear whether this adventure will affect the fate of either the institute or psychoanalysis in general.
Mr. Carnahan's death could even affect the fate of Senator Joseph I. Lieberman, the Democratic nominee for vice president who is simultaneously running for re-election in Connecticut.
But it may also affect the fate of the single currency — a main symbol of the new European unity — and thus touches the entire European Union.
This choice of partners could affect the fate of Mario Monti, the non-party technocrat who has been Italy's prime minister since last November.
