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Genetics

TermDefinition
Genetic the genetic properties or features of an organism, characteristic, etc.
Heredity the passing on of physical or mental characteristics genetically from one generation to another.
Alleles one of two or more alternative forms of a gene that arise by mutation and are found at the same place on a chromosome.
Trait a genetically determined characteristic.
Dominat (genetics) (Of, or pertaining to) An allele or a gene that is expressed in an organism's phenotype, masking the effect of the recessive allele or gene when present.
Recessive Its opposite is dominant and is always living in its shadow.
Genotype the genetic constitution of an individual organism.
Phenotype the set of observable characteristics of an individual resulting from the interaction of its genotype with the environment.
Homozygous having two identical alleles of a particular gene or genes.
Heterozygous having two different alleles of a particular gene or genes
Punnett Square The Punnett square is a square diagram that is used to predict the genotypes of a particular cross or breeding experiment.
Mutation the alteration of single base units in DNA, or the deletion, insertion, or rearrangement of larger sections of genes or chromosomes.
Autosome(s) any chromosome that is not a sex chromosome.
Sex Chromosome a chromosome involved with determining the sex of an organism, typically one of two kinds.
Sex-Linked tending to be associated with one sex or the other.
Deoxyribonucleic Acid(DNA) the fundamental and distinctive characteristics or qualities of someone or something, especially when regarded as unchangeable.
Ribonucleic Acid(RNA) Its principal role is to act as a messenger carrying instructions from DNA for controlling the synthesis of proteins, although in some viruses RNA rather than DNA carries the genetic information.
Replication the process by which genetic material or a living organism gives rise to a copy of itself.
Nitrogenous Bases A nitrogenous base is simply a nitrogen-containing molecule that has the same chemical properties as a base.
Nucleotide a compound consisting of a nucleoside linked to a phosphate group. Nucleotides form the basic structural unit of nucleic acids such as DNA.
Created by: 1007542
 

 



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