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RBMSGeneticsVocab
Genetics Vocabulary
| Question | Answer |
|---|---|
| GENE | A segment of DNA that carries hereditary instructions and is passed from parent to offspring; located on chromosomes. |
| TRAIT | An inherited characteristic. |
| GENOTYPE | An organism's inherited combination of alleles. |
| ALELLES | Multiple forms of the same gene. |
| HEREDITY | The passing of traits from parent to offspring. |
| DOMINANT | The trait observed when at least one dominant allele for a characteristic is inherited. |
| RECESSIVE | A trait that is apparent only when two recessive alleles for the same characteristic are inherited. |
| PHENOTYPE | An organisms appearance. |
| ASEXUAL REPRODUCTION | Reproduction in which a single parent produces offspring that are identical to the parent. |
| SEXUAL REPRODUCTION | Reproduction that requires two parents and produces offspring that will share characteristics from both parents. |
| OFFSPRING | Child |
| HOMOZYGOUS | Having two of the same alleles. |
| HETEROZYGOUS | Having two different alleles. |
| CO-DOMINANCE | Expressing the dominant trait when the alleles are heterozygous. |
| ADAPTATIONS | Changes in a species that helps it to survive |
| SELECTIVE BREEDING | the intentional mating of two animals in an attempt to produce offspring with desirable characteristics |
| NATURAL SELECTION | The process by which organisms that are better suited to their environment than others produce more offspring |
| DIVERSITY | A point or respect in which things differ |
| PUNNETT SQUARES | in genetics, a type of grid used to show the gametes of each parent and their possible offspring |
| NUCLEUS | a specialized, usually spherical mass of protoplasm encased in a double membrane, and found in most living eukaryotic cells |
| DNA | deoxyribonucleic acid,an extremely long macromolecule that is the main component of chromosomes and is the material that transfers genetic characteristics in all life forms |
| CHROMOSOMES | A threadlike linear strand of DNA and associated proteins in the nucleus of eukaryotic cells that carries the genes and functions in the transmission of hereditary information Humans have 23 pairs |