Q1. Name the bones of pectoral girdle and the bones of the pelvic girdle. Evaluate the pectoral and pelvic girdles with regard to strength, versatility, and function.

Q2. Mitochondria are thought to be descendants of certain alpha-proteobacteria. They are,however, no longer capable of lead independent lives because most genes originally present on their chromosome have moved to nuclear genome. Which phenomenon accounts for the movement of these genes?