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www.reference.com/business-finance/variation-order-30dcdacd0e7a7348

A variation order is a change, often in construction, that modifies all or part of an existing order. Many construction projects undergo changes, especially after the beginning of building, and the cost impact on a construction project with a variation order can be costly.

www.reference.com/science/study-genetics-important-d771c9303a7806ed

The study of genetics is important because it helps scientists identify and understand diseases. By gaining a deeper understanding of the body, scientists can determine how likely members of the population are likely to inherit a disease and help people manage their risks accordingly.

www.reference.com/article/variation-science-60ca47514e6836cb

Variation, a term in genetic science, refers to a genetic change that causes differing characteristics between organisms in a certain species. Much of the variation within and between species is due to differential regulation of genes and alleles. Gene alleles determine distinct traits passed on fro

www.reference.com/article/genetic-testing-c4789246eefab886

Genetic testing is a type of test used to identify changes in chromosomes, genes or proteins, according to Genetics Home Reference. The test is used to confirm or rule out a suspected genetic condition.

www.reference.com/science/genetic-information-stored-f6515ef89b9fc83f

Genetic information is stored in several places, which are DNA molecules, genes, chromosomes, mitochondria and the genome. Different amounts and types of genetic information are stored in these locations. The majority of genetic information is stored within individual DNA molecules, although it is f

www.reference.com/science/genetic-material-200aeb1f94ebf910

Genetic material is the medium by which instructions are transmitted from one generation of organisms to the next. In life on Earth, it takes the form of nucleotide sequences that are organized into genomes. A genome is all of the DNA contained within the cell of a living being. Each molecule of hum

www.reference.com/article/direct-variation-1def427678cd9cb7

The term "direct variation" refers to a mathematical correlation between two variables where one variable can be represented as a constant multiple of the other unknown quantity. It is also known as a "direct proportion."

www.reference.com/article/major-genetic-syndromes-children-8be31dcaaeda87ea

Major genetic syndromes in children include Down syndrome, says Mayo Clinic. Goldenhar syndrome is a genetic syndrome typically affecting the face, according to Faces: The National Craniofacial Association. Fragile X syndrome is another genetic syndrome that appears in children, according to Genetic

www.reference.com/world-view/cultural-variation-1f15c91134b45f57

Cultural variation refers to the differences in social behaviors that different cultures exhibit around the world. What may be considered good etiquette in one culture may be considered bad etiquette in another.

www.reference.com/article/information-genetic-causes-heart-disease-a569d8f183ce54c6

Several genetic conditions, which run in families, are linked to heart disease, such as hypertension, abnormal blood lipids, high cholesterol and type 2 diabetes, according to the World Heart Federation. Another genetic risk factor is race; the American Heart Association states that African-American