Q. How many children are affected with Down's syndrome in USA every year?

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Q. Despite having different structures, X and Y chromosomes behave like

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Q. Which of following chromosomes is present in a person with Klinefelter's syndrome?

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Q. Which of following is not an X linked disease?

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Q. How many imprinted genes have been identified so far?

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Q. Which of following is an example of mitochondrial disease?

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Q. In Down's syndrome, cells are trisomic for which of following chromosomes?

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Q. Which of following did Morgan perform his experiments on?

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Q. Work of which of following scientist was first hint towards mateRNAl inheritance of mitochondria?

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Q. If a deleted segment of a chromosome gets attached to another chromatid it results in

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Q. How many mutations have been found so far that cause Leber?s hereditary optic neuropathy?

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Q. When an organism has more than one sets of chromosomes in somatic cells, it's known as

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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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Q. Which of following is octoploid?

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Q. In which of following Extranuclear genes are present?

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Q. What is percentage of aneuploidy in human conceptions?

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Q. Offspring's that match parent traits are called

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Q. Which of following is triploid?

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Q. Which of following shows distance between genes?

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

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