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genetics Flashcards

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1261794422allelesDifferent forms of a gene
1261794423dominantDescribes a trait that covers over, or dominates, another form of that trait.
1261794424geneticsScientific study of heredity
1261794425genomeAll the genetic information in an organism; all of an organism's chromosomes.
1261794426genotypeGenetic makeup of an organism
1261794427heredityPassing of traits from parents to offspring
1261794428heterozygousAn organism that has two different alleles for a trait
1261794429incomplete dominanceA pattern of inheritance in which two alleles, inherited from the parents, are neither dominant nor recessive. The resulting offspring have a phenotype that is a blending of the parental traits.
1261794430co- dominanceWhen both alleles in the heterozygote are expressed in the phenotype. Written with capitol letters with superscript
1261794431pedigreeA diagram that shows the occurrence of a genetic trait in several generations of a family
1261794432phenotypeAn organism's physical appearance, or visible traits.
1261794433polygenic inheritanceof many inheritance
1261794434probabilityA number that describes how likely it is that an event will occur
1261794435recessiveAn allele that is masked when a dominant allele is present
1261794436sex-linked genegene located on the X or Y chromosome
1261794437antigenA protein that, when introduced in the blood, triggers the production of an antibody
1261794438antibody,noun, a blood protein produced in response to and counterattacking a specific antigen
1261794439segregation of allelespartner genes on homologous chromosomes are separated and end up in different sex cells
1261794440Independent assortmentIndependent segregation of genes during the formation of gametes
1261794441duplicated chromosomesa chromosome that is composed of two sister chromatids held together in a centromere
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