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Meiosis leads to genetic variability through genetic recombination, sometimes called crossing over, in prophase I and the chromosome arrangement in the metaphase I. Genetic variability is important for species because it allows them to adapt to more environments.


In math, a dependent variable is one in an expression, equation or function that depends upon one or more other variables' values to determine its value. The dependent variable is usually isolated on one side of an equation. For example, "x" is the dependent variable in the equation x=y+1.


A controlled variable is the element or feature that cannot be changed during the course of an experiment. The controlled variable is kept constant so the changes in other variables can be observed more easily. According to About.com, it is also sometimes referred to as the "constant" variable


A variable cost is money that a company spends in direct proportion with its production output. As production goes up, so do the variable costs. If production drops, the variable costs drop as well. These differ from such fixed costs as advertising, rent, office supplies and insurance, which general


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


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.


Variables are factors or quantities that may be change or controlled in a scientific experiment. The three types of variables in a science project or experiment are independent, controlled and dependent variables. The independent variable is the condition or factor that is changed in the experiment


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.


A genetic code is a dictionary whose "words" are formed by sequences of three nucleotides called "codons." Each codon defines or codes for a specific amino acid.


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.