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7th gr Genetics
Question | Answer |
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Genetics | The study of heredity. |
Trait | A feature that can be controlled by genes, such as eye color, hair color, and height. |
Heredity | The passing of traits from one generation to another. |
Generation | A group of people living during the same time and in the same stage of life. |
DNA | The material found in a cell’s nucleus that is responsible for the genetic traits of an organism. |
Inherited | Traits received by one’s parents. |
Genes | A segment of DNA that determines the inheritance of a trait. |
Chromosomes | The structure in the cell’s nucleus that contains instructions for the cell and the entire organism. |
Allele | One of two or more versions of a gene. |
Dominant Allele | The allele that is expressed. The offspring will have the trait represented by the dominant allele. |
Recessive Allele | The allele that is masked by a dominant allele. |
Genotype | The set of genes carried by an organism. |
Phenotype | The physical appearance of an organism. |