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In man, gene producing the disease phenyl ketonuria also produces a number of abnormal phenotypic traits, which are collectively syndrome.This gene results mental retardation, widely spaced incisors, pigmented patches on the skin and excessive sweating such types of genes are called
  • a)
    Polygene
  • b)
    Pleiotropic gene
  • c)
    Lethal gene
  • d)
    Supplimentary gene
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
In man, gene producing the disease phenyl ketonuria also produces a nu...
Pleiotropy refers to the phenomenon in which a single gene controls several distinct, and seemingly unrelated, phenotypic effects. An example of pleiotropy is the human disease PKU (phenylketonuria). This disease can cause mental retardation and reduced hair and skin pigmentation, and can be caused by any of a large number of mutations in a single gene that codes for an enzyme (phenylalanine hydroxylase) that converts the amino acid phenylalanine to tyrosine, another amino acid. So the correct answer is option B.
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In man, gene producing the disease phenyl ketonuria also produces a number of abnormal phenotypic traits, which are collectively syndrome.This gene results mental retardation, widely spaced incisors, pigmented patches on the skin and excessive sweating such types of genes are calleda)Polygeneb)Pleiotropic genec)Lethal gened)Supplimentary geneCorrect answer is option 'B'. Can you explain this answer?
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In man, gene producing the disease phenyl ketonuria also produces a number of abnormal phenotypic traits, which are collectively syndrome.This gene results mental retardation, widely spaced incisors, pigmented patches on the skin and excessive sweating such types of genes are calleda)Polygeneb)Pleiotropic genec)Lethal gened)Supplimentary geneCorrect answer is option 'B'. Can you explain this answer? for Class 12 2024 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about In man, gene producing the disease phenyl ketonuria also produces a number of abnormal phenotypic traits, which are collectively syndrome.This gene results mental retardation, widely spaced incisors, pigmented patches on the skin and excessive sweating such types of genes are calleda)Polygeneb)Pleiotropic genec)Lethal gened)Supplimentary geneCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 12 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In man, gene producing the disease phenyl ketonuria also produces a number of abnormal phenotypic traits, which are collectively syndrome.This gene results mental retardation, widely spaced incisors, pigmented patches on the skin and excessive sweating such types of genes are calleda)Polygeneb)Pleiotropic genec)Lethal gened)Supplimentary geneCorrect answer is option 'B'. Can you explain this answer?.
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