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LS - Ch. 6 Heredity
Heredity Vocab.
Words | Definition |
---|---|
heredity | The passing of traits from parents to offspring. |
genetics | The study of inharentence. |
phenotype | The trait that the organisms actually shows. |
dominant | The stronger unit of genetic material. |
genotype | The gene combination that determines the phenotype. |
genes | A unit of genetic material that determines a trait. |
recessive | The weaker form of genetic material that determines a trait. |
hybrid | When a genotype is a combination of a dominant and a recessive gene. |
incomplete dominance | A condition that results when genes produce a trait somewhere in between the traits of parents. |
pure genotype | A genotype that is made up of two of the same charachteristic. An organism can be either pure-dominant (TT) or pure recessive (tt). |
gene | A unit of genetic material that detemines a trait. |
trait | A physical characteristic that one can see in an organism, phenotype. |
genetics | the study of inheritance (how traits are passed down generation to generation) |
gamete | In organisisms that reproduce sexually, it is a sex cell. It containes half the number of chromosomes as the other cells |
Punnett Square | a diagram that visually demonstrates what 4 offspring will result when two parents' genotype are combined. |