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Question
When one gene influences multiple unrelated phenotypic traits, then it is known as:
When one gene influences multiple unrelated phenotypic traits, then it is known as:
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Solution
The correct option is B Pleiotropy
Pleiotropy: It occurs when one gene influences multiple, unrelated phenotypic traits, an example being phenylketonuria, which is a human disease that affects multiple systems but is caused by one gene defect.
Epistasis: It is a phenomenon in genetics in which the effect of a gene mutation is dependent on the presence or absence of mutations in one or more other genes.
Polygenic inheritance: It occurs when one character is controlled by two or more genes. Often the genes are large in quantity but small in effect.
Mutation: It is a change in a DNA sequence. Mutations can result from DNA copying mistakes made during cell division or exposure to ionizing radiation and chemicals called mutagens.
Pleiotropy: It occurs when one gene influences multiple, unrelated phenotypic traits, an example being phenylketonuria, which is a human disease that affects multiple systems but is caused by one gene defect.
Epistasis: It is a phenomenon in genetics in which the effect of a gene mutation is dependent on the presence or absence of mutations in one or more other genes.
Polygenic inheritance: It occurs when one character is controlled by two or more genes. Often the genes are large in quantity but small in effect.
Mutation: It is a change in a DNA sequence. Mutations can result from DNA copying mistakes made during cell division or exposure to ionizing radiation and chemicals called mutagens.
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