Explained in greater detail, each gene resides at a specific locus (location on a chromosome) in two copies, one copy of the gene inherited from each parent. The copies, however, are not necessarily the same. When the copies of a gene differ from each other, they are known as alleles.
Carolus Linnaeus recognized the vital role of the internal environment and suggested that objective of mechanisms within the body is to preserve the constant conditions of the internal environment.
He was later known as the creator of current modern system of naming animals called binomial nomenclature
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Anorexia nervosa<span> and bulimia nervosa are both eating disorders, but the main difference is that individuals with anorexia have a tendency to skip meals,</span> while individuals with bulimia go through a cycle of binging (overeating) followed by vomiting. People with anorexia are usually extremely underweight and with an unhealthy figure, while the p<span>hysical appearance of people with bulimia can be “normal” or sometimes underweighted.</span>
<span>Epigenesis is the term which says that an organism develops from the fertilized egg by a succession of developmental events that leads to an adult. This theory was first published by Aristotle. It became a well established and accepted theory in the late 18th century.</span>
