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In man, which of the following genotypes and phenotypes may be the correct result of aneuploidy in sex chromosomes
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Important Questions on Principles of Inheritance and Variation
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The "cri-du-chat" syndrome is caused by change in chromosome structure involving
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The loss of a chromosomal segment is due to
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Somaclonal variation appears in
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Mutation cannot change
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Thalassaemia and sickle cell anaemia are caused due to a problem in globin molecule synthesis. Select the correct statement:
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Which of the following corresponds to mutagens?
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Both sickle cell anaemia and Huntingtion's chorea are
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Albinism is known to be due to an autosomal recessive mutation. The first child of a couple with normal skin pigmentation was an albino. What is the probability that their second child will also be an albino
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If both parents are carriers for thalassaemia, which is an autosomal recessive disorder, what are the chances of pregnancy resulting in an affected child
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Loss or gain of one or more complete set of chromosomes along with the diploid complement is known as
