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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Q. Which of following chromosomes are inherited by females?

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Q. In which year process of Meiosis was discovered?

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

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

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

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Q. If orientation of chromosome is reversed its called

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