system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
In DNA transfer the vectors used to inse smallest to largest DNA is
assistant
The correct answer is  Most general plasmids may be used to clone DNA inse of up to 15 kb in size. Phages can readily accept DNA fragments 10 to 20 kb longCosmids can carry inses of chimeric DNA that are 35 to 50 kb long.Ref: Harper 30th edition pg: 455