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This tutorial elaborates on the physical development of humans, particularly from puberty to adulthood. Read this tutori..
Upon fertilization, a zygote forms and develops into an embryo. This tutorial elaborates on the growth and development f..
This tutorial describes the independent assortment of chromosomes and crossing over as important events in meiosis. Read..
Learn how the way genes control and determine every aspect of the body. This lesson uses lac operon as an example. ..