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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/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/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/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/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/types-genetic-diseases-4e069c89440b764a

Some types of genetic diseases are Tay-Sachs disease, sickle cell disease and cystic fibrosis, according to Mayo Clinic and the National Heart, Lung and Blood Institute. Huntington's chorea is another genetic disease, notes the National Institute of Neurological Disorders and Stroke.

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/genetic-code-important-9832c82325e7209f

The genetic code is important because it provides instructions for protein synthesis. All organisms on Earth utilize proteins in chemical reactions to facilitate physiological functions. Differences in genetic code result in different proteins, and thus different genetic variations in organisms.

www.reference.com/science/inherited-variation-cb769f3e5e2c8a5c

In the field of biology, inherited variation refers to genes and genetic information transferring from both parents to offspring. Biological variation occurs in all species, including humans, plants and other animals. Offspring of all living species derives approximately 50 percent of each parent's

www.reference.com/science/different-types-genetic-engineering-144f710cd3ecd9de

There are three types of human genetic engineering: somatic, germline and cloning. Somatic engineering adds genes to body cells. Germline engineering adds genes to human eggs, embryos or sperm, and cloning creates a copy of an organism.