介绍遗传工程学,要从现代生物学谈起。生物学是研究生命现象的科学,包括研究所有动植物的生命活动、生活习性、新陈代谢过程、生理生化反映、生长发育状况与环境的相互关系、进化过程与遗传变异规律等许多方面。它是农业、医学、林业、畜牧、渔业、植物、动物及微生物发酵工业等多方面的科学实践总结和基础科学。 Introduction to genetic engineering, from modern biology to talk about. Biology is a science that studies the phenomenon of life. It includes studying the life activities, habits, metabolic processes, physiological and biochemical reactions of all animals and plants, the relationship between the growth and development and the environment, the evolutionary process and the law of genetic variation. It is a summary of scientific practice and basic science in agriculture, medicine, forestry, livestock husbandry, fishery, plant, animal and microbial fermentation industries.