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A pleiotropic gene:
1.
Is expressed only in primitive plants
2.
Is a gene that evolved during Pliocene
3.
Controls a trait only in combination with another gene
4.
Controls multiple traits in an individual
Subtopic: Polygenic Inheritance & Pleiotropy |
90%
Level 1: 80%+
NEET - 2015
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How many pairs of contrasting characters in pea plants were studied by Mendel in his experiments?
| 1. | Five | 2. | Six |
| 3. | Eight | 4. | Seven |
Subtopic: Introduction to Genetics: 1 | Introduction to Genetics: 2 |
95%
Level 1: 80%+
NEET - 2015
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Alleles are:
1. different phenotype
2. true breeding homozygotes
3. different molecular forms of a gene
4. heterozygotes
Subtopic: Monohybrid Cross: 1 |
81%
Level 1: 80%+
NEET - 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 offspring?
1. A and B
2. A, B and AB
3. A, B, AB and O
4. Only O
2. A, B and AB
3. A, B, AB and O
4. Only O
Subtopic: Dominance Deviation from Mendel: 2 |
81%
Level 1: 80%+
NEET - 2015
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If two persons with' AB' blood group marry and have the sufficiently large number of children, these children could be classified as 'A' blood group: 'AB' blood group: 'B' blood group in 1: 2: 1 ratio. The modern technique of protein electrophoresis reveals the presence of both' A' and 'B' type proteins in 'AB' blood group individuals. This is an example of:
1. Incomplete dominance
2. Partial dominance
3. Complete dominance
4. Codominance
Subtopic: Dominance Deviation from Mendel: 2 |
85%
Level 1: 80%+
AIPMT - 2013
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Which Mendelian idea is depicted by a cross in which the F1 generation resembles both the parents?
1. law of dominance
2. inheritance of one gene
3. co-dominance
4. incomplete dominance
Subtopic: Dominance Deviation from Mendel: 1 |
71%
Level 2: 60%+
AIPMT - 2013
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A human female with Turner's syndrome:
1. has 45 chromosomes with XO
2. has one additional chromosome.
3. exhibit male character
4. is able to produce children with a normal husband.
Subtopic: Sex Aneuploidy - Turner & Klinefelter Syndrome |
88%
Level 1: 80%+
AIPMT - 2014
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Which of the following statements is not true of two genes that show 50% recombination frequency?
| 1. | The genes are tightly linked. |
| 2. | The genes show independent assortment. |
| 3. | If the genes are present on the same chromosome, they undergo more than one crossing-over in every meiosis. |
| 4. | The genes may be on different chromosomes. |
Subtopic: Recombination Gene Mapping |
59%
Level 3: 35%-60%
AIPMT - 2013
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The incorrect statement with regard to Haemophilia is:
| 1. | It is a recessive disease |
| 2. | It is a dominant disease |
| 3. | A single protein involved in the clotting of blood is affected |
| 4. | it is a sex-linked disease. |
Subtopic: Mendelian Disorders: Hemophilia |
86%
Level 1: 80%+
AIPMT - 2013
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F2 generation in a Mendelian cross showed that both genotypic and phenotypic ratios are same as 1: 2: 1. It represents a case of:
1. Co-dominance
2. Dihybrid crosses
3. Monohybrid crosses with complete dominance
4. Monohybrid crosses with incomplete dominance
Subtopic: Monohybrid Cross: 1 |
72%
Level 2: 60%+
AIPMT - 2012
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