Question

what are traits controlled by genes located on the x chromosome called?○ codominant traits○ sex-linked traits○ polygenic traits

Explanation:

Codominant traits refer to traits where both alleles are expressed equally. Polygenic traits are controlled by multiple genes. Traits controlled by genes on the X chromosome fall under the category of sex-linked traits, as the X chromosome is a sex chromosome.

Answer:

sex-linked traits