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This tutorial recognizes the importance of food as a source of energy that will fuel many biological processes. A good d..
Upon fertilization, a zygote forms and develops into an embryo. This tutorial elaborates on the growth and development f..
Humans are diploid creatures. This means that for every chromosome in the body, there is another one to match it. Howeve..
This tutorial describes the independent assortment of chromosomes and crossing over as important events in meiosis. Read..
Mutations can also influence the phenotype of an organism. This tutorial looks at the effects of chromosomal mutations, ..