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Genetics Voc

TermDefinition
hybrid An organism that has two different alleles for a trait.
dominant An allele whose trait always shows up in the organism when it is present.
gene The set of information that controls a trait; code in the DNA.
alleles The different forms of a gene.
heredity The passing of traits from parents to offspring.
purebred The offspring of many generations that have the same traits.
trait A characteristic that an organism can pass to offspring through genes.
genetics The scientific study of heredity.
probability A number that describes how likely it is that an event will occur.
phenotype An organism's physical appearance or visible traits.
recessive An allele that is masked when a dominant allele is present.
codominance A condition in which the two alleles of a gene are neither dominant nor recessive. "red + white = pink"
heterozygous Having two different alleles for a trait. "Tt"
genotype An organism's genetic makeup or allele combinations.
Punnett Square A chart that shows the possible combinations of alleles that result from a genetic cross.
homozygous Having two identical alleles for a trait. "TT, tt"
Incomplete Dominance Both traits are shown. "one brown eye and one blue eye"
chromosome located in the nucleus of a cell, stores the genetic information that control your traits
Created by: KallyEvans
 

 



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