The production of gametes by the parents, formation of zygotes, the F1 and F2 plants, can be understood from a diagram called:
(1) Punnett square
(2) Net square
(3) Bullet square
(4) Punch square
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn a cross between a male and female, both heterozygous for sickle cell anaemia gene, what percentage of the progeny will be diseased?
1. 25%
2. 100%
3. 50%
4. 75%
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyExperimental verification of the chromosomal theory of inheritance was done by:
(1) Sutton
(2) Boveri
(3) Morgan
(4) Mendel
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySelect the correct match
1. Phenylketonuria - Autosomal dominant trait
2. Sickle cell anemia - Autosomal recessive trait chromosome - 11
3. Thalassemia - X linked
4. Haemophilia - Y linked
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIdentify the wrong statement with reference to the gene 'I' that controls ABO blood groups.
1. A person will have only two of the 3 alleles.
2. When IA and IB are present together, they express same type of sugar.
3. Allele 'i' does not produce any sugar.
4. The gene (I) has three alleles.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyHow many true-breeding pea plant varieties did Mendel select as pairs, which were similar except in one character with contrasting traits?
1. | 2 |
2. | 14 |
3. | 6 |
4. | 4 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyChromosomal theory of inheritance was proposed by :
1. Sutton and Boveri
2. Bateson and Punnet
3. T. H. Morgan
4. Watson and Crick
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe number of contrasting characters studied by Mendel for his experiments was :
1. 14
2. 4
3. 2
4. 7
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe best example of pleiotropy is:-
1. Skin color
2. Phenylketonuria
3. Colour Blindness
4. ABO Blood group
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn Antirrhinum (Snapdragon), a red flower was crossed with a white flower and in F1 generation, pink flowers were obtained. When pink flowers were selfed, the F2 generation showed white, red, and pink flowers. Choose the incorrect statement from the following:
1. | Law of Segregation does not apply in this experiment. |
2. | This experiment does not follow the Principle of Dominance. |
3. | The pink colour in F1 is due to incomplete dominance. |
4. | Ratio of F2 is 1/4(red):2/4(pink):1/4(white). |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology