What is the least abundant type of human pseudogenes? Processed Unprocessed Unitary All three types present equally Question 19 (1 point) Which types of pseudogenes tend to make clusters on chromosomes? Processed Unprocessed Unitary All three types cluster equally Olfactory genes ( 1000 in humans) are localized in 25 large clusters that contain functional copies as well as pseudogenes. Solely based on this information, what kind of pseudogenes should we expect to find there? Processed Unprocessed Unitary All three types cluster equally .