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13 Cards in this Set

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Allele
The different forms of a particular gene.
Gene
Inherited instructions carried on a chromosome: specific segment of DNA carrying an instructional encoded in its base sequency for a specific protein products.
Gamete
General term for an egg or sperm
Genotype
Refers to both the double set of genetic instuctions present in a diploid organism and to the genetic make up of an organism at one particular gene locus.
Phenotype
Expression of an organism genotype in it structural biochemical and physologial characteristics.
Chromosome
Thread like structure composed of DNA and protein, and visible in cells during mitosis and meiosis.
Trait
Specific expressions of a structural,biochemical,physiological or behavioural charcter.
Haploid
Having one copy of each specific chromosome that is having a set of unpaired chromosome.
Diploid
Refers to organisms or cells having two copies of each specific chromosomes: that is having a paried set of chromosomes.
Autosome
Pairs of chromosomes that are identicle in appearance in males and femail of a species; in the human organism, any chromosome pairs numbered 1 to 22 inclusive.
Homologous
In, Genetics, refers to members of chromosome that carry the same gene loci.
Non-Disjunctional
Faliur of the normal seperation of the homologous chromosomes during meiosis or faliure of normal seperation of the two strands of a double strands of a double stranded chromosome during meiosis or mitosis.
Recombination
Process of generating new combinations af alleles of various genes both by crossing ove and independant assortment.