No each offspring will be sired by one male, now it can be a double sired clutch but I would not recommend pairing a recessive male and a co-dom male to a female (unless the female is clown as well in this case) as it will be impossible for you to determine which male is the sire.
Let's say you pair both males
Clown to Spider will yield Spider Het Clowns and Het Clowns,
Fire to Spider you will yield Spiders, Fire Spiders, Fires and normals
Now let's say you are out of luck and you do not produce any Fire Spider or any Fire this would not mean that the Clown is the Sire, the fire could still be the sire but you were just victim of bad luck.
When pairing recessive try to pair similar recessive, for example Pastel Clown male and Enchi Clown male this way regardless of the sire you know that all offspring will be het clowns.
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