Recessive alleles: Difference between revisions

Latest revision as of 14:56, 21 October 2016

Plural of Recessive allele - see recessive allele for more information.

Revision as of 16:04, 29 November 2013 view source 120045325 (talk \| contribs) 3 edits Created page with "In humans and many other diploid organisms, provided there is no mutation, we have two alleles of each gene on autosomal chromosomes. Recessive alleles are only expressed in an o..."		Latest revision as of 14:56, 21 October 2016 view source Nnjm2 (talk \| contribs) 7,735 edits No edit summary
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	~~In humans and many other diploid organisms, provided there is no mutation, we have two alleles~~ of ~~each gene on autosomal chromosomes.~~ Recessive alleles are only expressed in an orangisms phenotype if their genotype is homozygous recessive (i.e. both recessive alleles are present). If an organism has a heterozygous genotype, containing one recessive allele, the phenotype of the other allele (the dominant allele) is expressed, and the organism is known as a carrier of the recessive trait. As a result, two carrier parents with seemingly normal phenotypes can have a child that has the recessive trait. There is only a 25% chance of this happening however, as the child must inherit the recessive allele ~~from both the mother and the father~~.		Plural of [[Recessive_allele\|Recessive allele]] - see [[recessive allele\|recessive allele]] for more information.

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