"All of the males will be carriers" is True
Explanation:
In X chromosome the most common type of color blindness are generally found, that can be a recessive trait. As we know that the females are heterozygous for this trait, and they can have normal vision.
Since the males inherit the trait from their mothers and becomes color blindness. And the color blindness defect is found in the X chromosome. This defect can be seen in the females if both the parents have color blindness problem.