Short note polygenic inheritance with example in 12th std
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it deals with the quantitative traits such as weight, height, and number. it is controlled by more than one pair of non-allelic genes. it produces a wide range of phenotype that shows continues variation. here intermediate phenotype is formed
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Polygenic inheritance refer to a single inherited phenotypic trait tht is controlled by two or more different genes. The trait tht r come by polygenic inheritance r not exhibits simply an effect of dominance nd recessivity nd dont exhibits complete dominance as in Medelian genetics. Polygenic inheritance should not be confused with the effect caused by multiple alleles.
Example ::
Skin colour
It results in dark Skin colour nd therefore light Skin colour is production by non contributing alleles.
Example ::
Skin colour
It results in dark Skin colour nd therefore light Skin colour is production by non contributing alleles.
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