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igor_vitrenko [27]
3 years ago
12

Most human traits are determined by multiple pairs of genes, many with alternate codes, accounting for some dissimilar forms tha

t occur with certain genetic disorders. What type of inheritance involves multiple genes at different loci, with each gene exerting a small additive effect in determining a trait?
Biology
1 answer:
kvv77 [185]3 years ago
4 0

Answer:

Polygenetic inheritance

Explanation

Polygenetic inheritance also called Multifactorial inheritance it occurs when a single characteristic is controlled by more than two genes .

An example is the human skin pigmentation which is determined by the amount of melanin it contains.

Melanin production involves at least four genes. A combination of of melanin producing allele determines the degree of pigmentation.

This shows each gene has exerted a small addictive effect in determining the trait.

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