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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..
The diversification of several new species from a recent ancestral source, each adapted to utilize or occupy a vacant ad..
The water cycle (also referred to as the hydrological cycle) is a system of continuous transfer of water from the air, s..
This tutorial deals with the abiotic factors of the freshwater environment that determine what sort of life would be sui..
This tutorial presents Gregor Mendel's law of dominance. Learn more about this form of inheritance and how it can be pre..