INHERITED TRAITS What exactly do we mean by similarities and differences? We know that a child bears all the basic features of a human being. However, it does not look exactly like its parents, and
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MENDEL’S CONTRIBUTIONS The rules for inheritance of such traits in human beings are related to the fact that both the father and the mother contribute practically equal amounts of genetic mat
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EXPRESSION OF TRAITS How does the mechanism of heredity work? Cellular DNA is the information source for making proteins in the cell. A section of DNA that provides information for one protein is c
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SEX DETERMINATION We have discussed the idea that the two sexes participating in sexual reproduction must be somewhat different from each other for a number of reasons. How is the sex of a newborn
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