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This tutorial looks at sex determination via the sex chromosomes, X and Y. Read it to get more info on X and Y chromosom..
Upon fertilization, a zygote forms and develops into an embryo. This tutorial elaborates on the growth and development f..
Hormones are produced in the endocrine glands of animals. The pituitary gland and hypothalamus are the most impor..
Plants are responsible for incredible feats of molecular transformation. Plant processes, such as photosynthesis, photop..
This tutorial presents Gregor Mendel's law of dominance. Learn more about this form of inheritance and how it can be pre..