Question: how many active x chromosomes would be found in an individual with a xxyy chromosome constitution?
Answer: How many active X chromosomes would be found in an individual with a XXYY chromosome constitution? 1 - The number of active X chromosomes is one regardless of the total number of X and Y chromosomes. A woman who is heterozygous for the sex-linked condition of red-green colorblindness marries a man with normal vision.