1) One of a number of alternative forms of a gene. Commonly only two alternative forms exist for a gene.
(Adapted from Edexcel GCSE SCience and Data Resource Book, UG005206)
2) Either of a pair (or series) of alternative forms of a gene that can occupy the same locus on a particular chromosome and that control the same character
1 Any of a large variety of proteins normally present in the body or produced in response to an antigen which it neutralizes, thus producing an immune response
1) An identical individual (oxy-moron)
2) A group of genetically identical cells or organisms derived from a single cell or individual by some kind of asexual reproduction
1) deoxyribonucleic acid - A double helic, containing ....
2) A long linear polymer found in the nucleus of a cell and formed from nucleotides and shaped like a double helix; associated with the transmission of genetic information
1) An allele which is always expressed in an individual.
(Adapted from Edexcel GCSE SCience and Data Resource Book, UG005206)
2) An allele that produces the same phenotype whether its paired allele is identical or different
