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Chapter 6.3-6.6

Mendel and Probablility

TermDefinition
trait distinguishing characteristics that are inherited
genetics study of biological inheritance patterns
purebred genetically uniform
cross mating of two organisms
law of segregation - organisms inherit two copies of each gene - organisms donate one gene copy to gametes
genome all of an organism's genetic makeup
gene piece of DNA that provides a set of instructions for cells to release a certain protein
genotype genetic makeup of a specific set of genes
allele any alternative form of a gene that may occur at a certain locus
dominant allele always expresses
homozygous two of the same allele at a specific locus
recessive allele only expressed when two copies are present
heterozygous two different alleles at a specific locus
monohybrid cross examine inheritance of one specific trait
testcross cross between an organism with an unknown genotype and an organism with the recessive phenotype.
law of independent assortment states that allele pairs separate independently of each other during gamete formation, or meiosis
phenotype physical characteristics
crossing over exchange of chromosome segments between homologous chromosomes during prophase I of meiosis I.
genetic linkage genes located together that are inherited together
Punnett square grid system that predicts all possible genotypes of a cross
dihybrid cross examine inheritance of two different traits
probability likelihood a particular event will happen
Created by: kaseywallace