Chapter 5 Principles of Inheritance and Variation
SUBMIT TEST and VIEW SCORE
A disease caused by an autosomal primary non-disjunction is ….[NEET- 2017]
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Thalassemia and sickle cell anemia are caused due to a problem in globin molecule synthesis. Select the correct statement. ….[NEET- 2017]
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Which one from those given below is the period for Mendel's hybridization experiments? ….[NEET- 2017]
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Among the following characters, which one was not considered by Mendel in his experiments on pea? ….[NEET- 2017]
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If a colour-blind man marries a woman who is homozygous for normal colour vision, the probability of their son being colour-blind is :- …[NEET 2016]
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In a testcross involving F1 dihybrid flies, more parental-type offspring were produced than the recombinant-type offspring. This indicates :- …[AIPMT-2016]
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A tall true breeding garden pea plant is crossed with a dwarf true breeding garden pea plant. When the F1 plants were selfed the resulting genotypes were in the ratio of : …[AIPMT-2016]
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How many pairs of contrasting characters in pea plants were studied by Mendel in his experiments? …[AIPMT 2015]
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A man with blood group 'A' marries a woman with blood group 'B'. What are all the possible blood groups of their offsprings? …[AIPMT 2015]
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A pleiotropic gene : [ ReAIPMT 2015]
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Alleles are: …[AIPMT 2015]
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A man whose father was colour blind marries a woman who had a colour blind mother and normal father. What percentage of male children of this couple will be colour blind? [AIPMT 2014]
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Fruit colour in squash is an example of : ….[AIPMT 2014]
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The incorrect statement with regard to Haemophilia is ….[NEET 2013]
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Variation in gene frequencies within populations can occur by chance rather than by natural selection. This is referred to as …[NEET 2013]
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Which of the following statements is not true for cancer cells in relation to mutations ? …[AIPMT-2016
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Pick out the correct statements : …[AIPMT-2016] (a) Haemophilia is a sex-linked recessive disease (b) Down's syndrome is due to aneuploidy (c) Phenylketonuria is an autosomal recessive gene disorder.(d) Sickle cell anaemia is a X-linked recessive gene disorder
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In higher vertebrates, the immune system can distinguish self-cells and non-self. If this property is lost due to genetic abnormality and it attacks self cells, then it leads to :- …[AIPMT-2016]
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Which of the following most appropriately describes haemophilia ? …[AIPMT-2016]
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An abnormal human baby with 'XXX' sex chromosomes was born due to: …[AIPMT 2015]
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Which is the most common mechanism of genetic variation in the population of a sexually-reproducing organism? …[AIPMT 2015]
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The movement of a gene from one linkage group to another is called: …[AIPMT 2015]
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The two eucaryotic organelles responsible for cytoplasmic inheritance are .... ... [ CBSE 2004]
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Genotypic ratio of monohybrid cross is ... ...
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Sickel cell anaemia is ... ..
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In Antirrhinum two plants with pink flowers were hybridised. the F1 plants produced red, pink and white flowers in ratio 1:2:1. What could be genotype of the parent plants, RR is red , rr is white ... ... [ CBSE Mains 2010 ]
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Monohybrid test cross is ... ..
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If both parents are carriers for thalassemia, which is an autosomal recessive disorder, what are the chances of pregnancy resulting in an affected child? …[NEET 2013]
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In his classic experiments on pea plants, Mendel did not use : [ ReAIPMT 2015]
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A gene showing codominance has : [ ReAIPMT 2015]
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Which Mendelian idea is depicted by a cross in which the F1 generation resembles both the parents ? …[NEET 2013]
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Which of the following statements is not true of two genes that show 50% recombination frequency ? …[NEET 2013]
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