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TERMS 6.4 + 6.5

TermDefinition
Gene Specific region of DNA that codes for a particular protein
Allele Any of the alternative forms of a gene that occurs at a specific place on a chromosome
Homozygous Characteristic of having two of the same alleles at the same locus of sister chromatids
Heterozygous Characteristic of having two different alleles that appear at the same locus of sister chromatids
Genome All of an organism's genetic material
Genotype Collection of all an organism's genetic information that codes for traits
Phenotype Collection of all of an organism's physical characteristics
Dominant Allele that is expressed when two different alleles are present in an organism's genotype
Recessive Allele that is not expressed unless two copies are present in an organism's genotype
Punnet Square Model for predicting all possible genotypes resulting from a cross, or mating
Mono-hybrid Cross Cross, or mating, between organisms that involves only one pair of contrasting traits
Testcross Cross between an organism with an unknown genotype and an organism with a recessive phenotype
Dihybird Cross Cross, or mating, between organisms involving two pairs of contrasting traits
Law Of Independent Assortment Mendel's second law, stating that allele pairs separate from one another during gamete formation
Probability Likelihood that a particular event will happen
Created by: JuliaM2025
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