QQuestionAnatomy and Physiology
QuestionAnatomy and Physiology
Which best describes traits controlled by multiple alleles?
A. Traits expressed by two genes
B. Traits influenced by genes along with environmental factors
C. Traits controlled by three or more different forms of a gene
D. Traits inherited from both parents
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Answer
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Step 1: Understand the question and identify key concepts
The question asks which option best describes traits controlled by multiple alleles. Multiple alleles refer to more than two different forms of a gene that can occur at a single gene locus.
Step 2: Evaluate the given options
A. Traits expressed by two genes - This option is incorrect because multiple alleles refer to different forms of a single gene, not two genes. B. Traits influenced by genes along with environmental factors - This option is not related to multiple alleles, as it includes environmental factors. C. Traits controlled by three or more different forms of a gene - This option is correct. Multiple alleles refer to the presence of three or more different forms of a gene at a single gene locus. D. Traits inherited from both parents - This option is incorrect because the number of alleles a person inherits is not related to the number of parents. A person inherits two alleles for each gene, one from each parent, but this does not imply multiple alleles.
Final Answer
C. Traits controlled by three or more different forms of a gene.
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