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Geographic isolation is a term that refers to a population of animals, plants, or other organisms that are separated from exchanging genetic material with other organisms of the same species. Typically geographic isolation is the result of an accident or coincidence. Geographic Isolation Geographic isolation can be caused by many factors and can result in a variety of […]

A genre is a category of art, music, or literature. Following are some popular examples of genres, along with some related sub-genres. Action and Adventure Action and adventure are sometimes considered two distinct genres, however, the two go hand-in-hand: they involve stories with exciting sequences and obstacles that must be overcome before reaching a goal. There are many […]

Genotype and phenotype are very similar-sounding words that are related, but actually mean different things. The genotype is the set of genes in our DNA which is responsible for a particular trait. The phenotype is the physical expression, or characteristics, of that trait. For example, two organisms that have even the minutest difference in their genes are said to […]

The term genocide refers to the attempt to wipe out an entire people group – often a race, religion, or nationality – by killing them. Sadly, genocide has occurred throughout history. Genocide Examples Native Americans in North America. From the time that Christopher Columbus first reached what would become the Americas, attempts were made at wiping out the indigenous […]

Genetic engineering is the process by which an organism’s genetic material is altered or selected so that the organism will have specific characteristics. Genetic Engineering Examples Cloning – One of the most controversial uses of genetic engineering has been cloning, or producing a genetically identical copy of an organism. While the ethics of cloning are hotly debated, […]

Genetic drift refers to the change in a type of genes in a population because of the random nature of reproduction. In other words, when people who have the gene causing a specific genetic trait reproduce with people who do not have the gene, the gene can become more popular or totally disappear from the population. Occurrences of […]

In everyday language, a generalization is defined as a broad statement or an idea that is applied to a group of people or things. Often, generalizations are not entirely true, because there are usually examples of individuals or situations wherein the generalization does not apply. In this respect, generalizations can be similar to stereotypes in that they […]

Gene flow is the exchange of genes between two separate populations. This is most often accomplished when animals or spores from plants migrate to a new area. Any time a gene is introduced into a population where that gene once did not exist, gene flow has occurred. Gene Flow for Plants and Animals Here are some examples of gene […]

There are three states of matter: solids, liquids and gases. In many cases, the same element can exist in all three states. Phase Transitions When matter changes from one state to another it is called a phase transition. Examples include: Gas to solid phase transitions are known as “deposition.” Gas to liquid phase transitions are known […]

A gas is one of the three states of matter, the other two being liquid and solid. Many elements exist as gases at standard temperature and pressure, while many other elements and compounds can become gases under certain circumstances. Here is a list of gases. Elemental Gases These are the elements that exist as gases at standard temperature and pressure. […]