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Genetics

Chapter

TermDefinition
Genetics Scientific study of heredity
Fertilization Process in sexual reproduction where male and female cells join to form a new cell
Trait Specific characteristics of an individual
True-Breeding(Pure) Same as homozygous, having two identical alleles for a particular gene
Hybrid Offspring of crosses between parents with different traits
Segregation Separation of alleles during gamete formation
Independent Assortment One of Mendel's principles that states that genes for different traits can segregate independently during the formation of gametes
Gametes Sex cells
Homozygous Having two identical alleles for a particular gene
Heterozygous Having two different alleles for a particular gene
Phenotype Physical characteristics of an organism
Genotype Genetic makeup of an organism
Dominant The trait that is most likely to show up
Recessive The trait that is least likely to show up, will only show if there is no dominant trait
Allele One of a number of different forms of a gene
Incomplete Dominance Situation in which one allele is not completely dominant over another allele
Codominance Situation in which the phenotype's produced by both alleles are completely ezpressed
Punnett Square Diagram that can be used to predict the genotype and phenotype combinations of a genetic square
Multiple Allele Trait A gene that has more than two alleles
Polygenic Trait Trait controlled by two or more genes
Sex-Linked Trait Gene located on a sex chromosome
Carrier Carries the disease but does not have it
Autosome Chromosome that is not a sex chromosome; also called autosomal chromosome
Created by: jaggerborth
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