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Unit 2

TermDefinition
Heredity The passing of traits from parents to offspring
Hybrid An organism that has two different alleles fro a trait;an organism that is heterozygous for a particular trait
Purebread The offspring of many generations that have the same trait
Trait A characteristic that an organism can pass on to its offspring through its gene
Offspring
Gene The set of information that controls a trait; a segment of DNA on a chromosome that codes for a specific trait
Allels The different forms of a gene
Dominant An allele whose trait always shows up in an organism when the allele is present
Recessive An allele that is masked when a dominant allele is present
Homozygous
Heterozygous
Genotype
Phenotype
Meiosis
Haploid
Diploid
Mutation
Insertion
Deletion
Subsitution
Sex-Linked Genes
Carrier
Sex Chromosomes
Genetic Disorder
Pedigree
Selective Breeding
Inbreeding
Hybridization
Clone
Genetic Engineering
Gene Therapy
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