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08. Genetics

Mendelian Genetics

allele one of the alternative forms of a gene that determines a characteristic, such as hair color
gene a segment of nucleic acids that codes for a functional unit of RNA and/or a protein
trait a physical feature or characteristic of an organism coded for by one or more genes
heredity / inheritence the passing of genetic traits from parent to offspring
hybrid the offspring of a cross between parents that have differing traits
dominant an allele that is fully expressed whenever the allele is present in an individual
recessive an allele that is expressed only when no dominant allele is present in an individual
phenotype an organism's appearance or other detectable characteristic based on the genotype
genotype the combination of genes for a trait
homozygous describes an individual that cares two identical alleles of a gene
heterozygous describes an individual that carries two different alleles of a gene
punnett square a graphic used to predict the results of a genetic cross
monohybrid cross a cross between individuals that involves one pair of traits
dihybrid cross a cross between individuals that involves two pairs of traits
Created by: cfhsbiology



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