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Science Vocabulary

TermDefinition
Trait a distinguishing quality or characteristic, typically one belonging to a person.
Chromosone a packaged and organized structure containing most of the DNA of a living organism. It is not usually found on its own, but rather is structured by being wrapped around protein complexes called nucleosomes, which consist of proteins called histones.
Gene a unit of heredity which is transferred from a parent to offspring and is held to determine some characteristic of the offspring.
Phenotype the set of observable characteristics of an individual resulting from the interaction of its genotype with the environment.
Genootype the genetic constitution of an individual organism.
Mutation the changing of the structure of a gene, resulting in a variant form that may be transmitted to subsequent generations, caused by the alteration of single base units in DNA, or the deletion, insertion, or rearrangement of larger sections of genes or ch
Homozygous an individual having two identical alleles of a particular gene or genes and so breeding true for the corresponding characteristic.
Heterozygous an individual having two different alleles of a particular gene or genes, and so giving rise to varying offspring.
Selective Breeding the process by which humans use animal breeding and plant breeding to selectively develop particular phenotypic traits (characteristics) by choosing which typically animal or plant males and females will sexually reproduce and have offspring together.
Asexual Reproduction a type of reproduction by which offspring arise from a single organism, and inherit the genes of that parent only; Is the primary form of reproduction for single-celled organisms such as the archaebacteria, eubacteria, and protists.
Created by: averyrcole