Heterozygous: Difference between revisions
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Heterozygosity refers to an individual | Heterozygosity refers to an individual's [[Genotype|Genotype]]. It occurs when an organism inherits a [[Dominant|dominant]] and [[Recessive|recessive]] [[Allele|allele]] for a particular [[Gene|gene]] from the parents. The [[Phenotype|phenotype]] of this heterozygous individual is determined by the dominant allele in the [[Genotype|genotype]] while the recessive allele will show nothing in the phenotype<ref>Griffths A. J. F., Wessler S. R., Lewontin R. C., Carroll S. B. (2008) Introduction to Genetic Analysis. 9th Edition. New York: W. H. Freeman and Company</ref>. A heterozygous gene is typically denoted by the abbreviation Aa but this can be different depending on your source<ref>Hartl, D. L and Jones, E.W. (2005) Genetics: analysis of genes and genomes 6th edition. Sudbury, MA: Jones and Bartlett.</ref>. The opposite to heterozygous is [[Homozygous]]. | ||
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Latest revision as of 17:54, 6 December 2018
Heterozygosity refers to an individual's Genotype. It occurs when an organism inherits a dominant and recessive allele for a particular gene from the parents. The phenotype of this heterozygous individual is determined by the dominant allele in the genotype while the recessive allele will show nothing in the phenotype[1]. A heterozygous gene is typically denoted by the abbreviation Aa but this can be different depending on your source[2]. The opposite to heterozygous is Homozygous.