Question 4 of 10
2 points
a trait is influenced by several genes. there are two alleles for each gene.
what is the best classification for the inheritance pattern of this trait?
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a. it is determined by polygenetic inheritance,
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b. it is determined by homozygous recessive alleles.
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c. it is determined by incomplete dominance.
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d. it is determined by multiple alleles for each gene.
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It is determined by polygenetic inheritance (NB I think this should read polygenic inheritance)

Explanation:

Polygenic inheritance occurs when multiple genes act together to produce one trait. A good example of this in humans is height. The trait for height is not simple the result of 2 alleles of 1 gene, but 2 (or more) alleles of several genes that all work together to determine height. These traits are sometimes called complex traits or quantitative traits and do not undergo simple Mendelian inheritance.

d.

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