Gene: The basic unit of heredity; a sequence of DNA nucleotides on a chromosome Gene frequency: The relative occurrence of a particular allele in a population Gene mapping: Determination of the relative positions of genes on a DNA molecule (chromosome … Continue reading


Fraternal: Relating to brothers


Demography: The statistical study of human populations especially with reference to size and density, distribution, and vital statistics DNA: deoxyribonucleic acid: the chemical at the centre of the cells of living things, which controls the structure and purpose of each … Continue reading


Certified laboratory: Officially recognised as meeting the essential requirements of a quality management system, a scientific facility equipped to conduct tests and investigations Chromosome: Any of the rod-like structures found in all living cells, containing the chemical patterns which control … Continue reading


Adenine: One of the four nucleobases found in DNA. Adenine (A) always pairs with thymine (T). Allele: Alternate sequences for a particular position in the genome Ancestry: Line of descent, therefore a person, plant, animal or object that is related … Continue reading

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