Question

fill in the blank question
the trait for red-green colorblindness is a ______ sex-linked trait.

Explanation:

Red-green colorblindness is carried on the X chromosome, which is a sex chromosome. Traits carried on the X chromosome are defined as X-linked (X-linked recessive in this case), which is the specific type of sex-linked trait here.

Answer:

X-linked (recessive)