Key Difference – Radial vs Spiral Cleavage Cleavage can be of two groups that highly depend on the amount of yolk in the egg. These two types are holoblastic (entire) cleavage or meroblastic (partial) cleavage. Radial and Spiral cleavage two types of holoblastic cleavage. Radial cleavage is present in deuterostomes while spiral cleavage is […]