PATHOLOGY MCQ
GENETICS AND DISEASE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of these choices is the definition of allele?
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The form of a gene that is expressed
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One of many different forms of a gene
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The combination of genes for a specific trait
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The complete genetic makeup of a living thing
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Explanation:
Detailed explanation-1: -Definition. An allele is one of two or more versions of DNA sequence (a single base or a segment of bases) at a given genomic location. An individual inherits two alleles, one from each parent, for any given genomic location where such variation exists.
Detailed explanation-2: -Which of the following best describes an allele? Explanation: An allele is a variant or alternative form of a gene or gene locus.
Detailed explanation-3: -In a broad sense, the term “genotype” refers to the genetic makeup of an organism; in other words, it describes an organism’s complete set of genes. In a more narrow sense, the term can be used to refer to the alleles, or variant forms of a gene, that are carried by an organism.
There is 1 question to complete.