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Genetics

TermDefinition
Heredity the passing of physical characteristics from parents to offspring
Genetics the scientific study of heredity
fertilization the creation of a new organism by the joining of sperm and egg
purebred the offspring of many generations that have the same trait
gene factors that control a trait
allele different forms of a gene
dominant allele one whose trait always shows up in the organism when the allele is present
recessive alllele hidden trait whenever a dominant allele is present
hybrid organism that has two different alleles for a trait
probability a number that describes how likely it is an event will occur
Punnett square a chart that shows all the possible combination of alleles that can result from a genetic cross
phenotype physical appearance or visible traits
genotype genetic makeup or allele combinations
homozygous organism that has two identical alleles for a trait
heterozygous organism that has two different alleles for a trait
codominance alleles are neither dominant nor recessive and both alleles are expressed in the offspring
meiosis process by which the number of chromosomes is reduced by half to form sex cells - sperm and eggs
Created by: carlocrew
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