Multiple Choice
How many chromosomes are typically found in a normal human somatic cell?
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1. Introduction to Genetics
Fundamentals of Genetics
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Polygenic traits are determined by multiple ______ received from each parent.
A
mutations
B
genes
C
alleles
D
chromosomes
Verified step by step guidance1
Understand the definition of polygenic traits: these are traits influenced by multiple genetic factors rather than a single gene.
Recall that genes are the units of heredity that carry information from parents to offspring and determine specific traits.
Recognize that polygenic traits result from the combined effect of several genes, each contributing to the phenotype.
Differentiate between the options: mutations are changes in DNA, alleles are different forms of a gene, and chromosomes are structures that contain many genes.
Conclude that the correct term to fill in the blank is 'genes' because polygenic traits are determined by multiple genes received from each parent.
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