Glossary Molecular Biology and Computational Biology

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K A statistical parameter used in calculating BLAST scores that can be thought of as a natural scale for search space size. The value K is used in converting a raw score (S) to a bit score (S').

Karyotype A photomicrograph of an individual's chromosomes arranged in a standard format showing the number, size, and shape of each chromosome type; used in low-resolution physical mapping to correlate gross chromosomal abnormalities with the characteristics of specific diseases.

Kilobase (kb) Unit of length for DNA fragments equal to 1000 nucleotides. )

Knockout Deactivation of specific genes; used in laboratory organisms to study gene function.

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