Practice question
Question
The type of inheritance in which many traits of a character are spread across a gradient and the effect of each allele is additive, is:
Explanation
Polygenic traits controlled by multiple loci exhibit continuous variation with bell-shaped distribution, each allele contributing additive small effect influenced by environment. Examples include height, skin color, weight. This contrasts codominance showing both alleles simultaneously and monohybrid crosses showing discrete Mendelian ratios.
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