A man has red-green color blindness. His wife is not color-blind, nor is she a carrier. They give birth to a baby boy. Their doctor says there is zero possibility that the son has red-green color blindness. Which of the following is a possible explanation of the doctor's statement? Red-green color blindness is a dominant autosomal trait.
Red-green color blindness is a Y-linked trait.
Red-green color blindness is an X‐linked trait.
Red-green color blindness is carried by mitochondrial DNA.