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Genetics
Term | Definition |
---|---|
Heredity | The passing of traits from parents to offspring |
Trait | A characteristic that an organism that can pass on to its offspring through its genes |
Genetics | The scientific study of heredity |
Fertilization | The joining of a sperm and an egg |
Purebred | The offspring of many generations that have the same traits |
Gene | The set of information that controls a trait; a segment of DNA on a chromosome that codes for a specific trait |
Alleles | The different forms of a gene |
Dominant Alleles | An allele whose trait always show up in the organism when the allele is present |
Recessive Alleles | An allele that is masked when a dominant allele is present |
Hybrid | An organism that has two different alleles for a trait; an organism that is heterozygous for a particular trait |
Probability | A number that describes how likely it is that an event will occur |
Punnet Square | A chart that shows all the possible combinations of alleles that can result from a genetic cross |
Phenotype | An organism's physical appearance, or visible traits |
Genotype | An organism's genetic make up, or allele combinations |
Homozygous | Having 2 identical alleles for a trait |
Heterozygous | Having 2 different alleles for a trait |
Codominance | A condition in which neither of 2 alleles of a gene is dominant or recessive |
Meiosis | |
Messanger RNA | |
Transfer RNA | |
Mutation | |
Multiple alleles | |
Sex Chromosomes | |
Sex-linked Gene | |
Carrier | |
Genetic Disorder | |
Pedigree | |
Karyotype | |
Selective Breeding | |
Inbreeding | |
Hybridization | |
Clone | |
Genetic Engenering | |
Gene Therapy | |
Genome |