Q. Which of following scientists studies X chromosome inactivation?

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Q. Which of following disease have a low risk of occurring in Down?s syndrome patients?

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Q. Number of copies of a gene that are being actively expressed is called

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Q. Variation in phenotype depending upon which parent gene is inherited from is called

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Q. Relative location of genes along a chromosome is shown by

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Q. Which of following changes usually silences a gene?

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Q. If orientation of chromosome is reversed its called

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Q. Duchenne muscular dystrophy affects one in how many people in United States?

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Q. What is ordered list of location of genes along a chromosome called?

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Q. On which of following chromosomes, sex-linked gene is present?

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Q. In which year process of Meiosis was discovered?

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Q. Which of following chromosomes are inherited by females?

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Q. Human X chromosome consists of approximately how many genes?

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Q. Which of following shows distance between genes?

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Q. Which of following is triploid?

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Q. Offspring's that match parent traits are called

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Q. What is percentage of aneuploidy in human conceptions?

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Q. In which of following Extranuclear genes are present?

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Q. Which of following is octoploid?

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Q. If a broken fragment of a chromosome joins to a non-homologous chromosome, it results in

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