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Genetics

Vocabulary

TermDefinition
Trait a genetically determined characteristic
Heredity passing of genetic traits from parent to offspring
Genetics study of heredity
Gregor Mendel discovered the principles of heredity while studying pea plants
Dominant Trait trait observed I the first generation when parents with different traits are bred
Recessive Trait appeared in the second generation after disappearing in the first generation
Genes instructions for an inherited trait
Alleles the different forms of genes
Phenotype organism's appearance
Genotype both inherited alleles formed together
Purebred/Homozygous plant with 2 dominant or recessive alleles
Hybrid/Heterozygous plant that has the genotype Pp
Probability mathematical chance that something will happen
Punnett Square chart that shows all possible combinations of alleles
Meiosis process that occurs in sex cells by which chromosomes are reduced by half
Selective Breeding process of selecting a few organisms with desired traits to serve as parents
Inbreeding two individuals with identical or similar sets of alleles are crossed
Hybridization two genetically different individuals are crossed
Cloning organism that is genetically identical to the organism from which it was produced
DNA genetic material that carries information about an organism and is passed from parent to offspring
Mutation a change in a gene or chromosome
Genetic Engineering transfer of a gene from the DNA
Created by: chrisdb123
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