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Q. No.The mode of inheritance of the Mendelian disorder shown in the given pedigree chart is most likely:
1.
Autosomal recessive
2.
Autosomal dominant
3.
Sex-linked recessive
4.
Sex-linked dominant
Subtopic: Pedigree Analysis: Problem Solving | Pedigree Analysis: More Examples |
83%
Level 1: 80%+
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What will be true regarding the comparison of thalassemia and sickle cell anaemia?
| 1. | The former is a quantitative problem of synthesising too few globin molecules while the latter is a qualitative problem of synthesising an incorrectly functioning globin. |
| 2. | The former is a qualitative problem of synthesising too few globin molecules while the latter is a quantitative problem of synthesising an incorrectly functioning globin. |
| 3. | Both disorders are qualitative problems of synthesising too few globin molecules. |
| 4. | Both disorders are quantitative problems of synthesising too few globin molecules. |
Subtopic: Mendelian Disorders: Sickle Cell Anemia | Mendelian Disorders: Thalassemia |
87%
Level 1: 80%+
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The mode of inheritance of the Mendelian disorder shown in the given pedigree chart is most likely:
1. Autosomal recessive
2. Autosomal dominant
3. Sex-linked recessive
4. Sex-linked dominant
1. Autosomal recessive
2. Autosomal dominant
3. Sex-linked recessive
4. Sex-linked dominant
Subtopic: Pedigree Analysis: Problem Solving | Pedigree Analysis: More Examples |
64%
Level 2: 60%+
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A male with genotype AABBCC and a very dark complexion mates with a female with genotype aabbcc and a very fair complexion. What is the probability of their progeny being born with an intermediate skin colour type?
1. 6/64
2. 15/64
3. 20/64
4. 1/64
1. 6/64
2. 15/64
3. 20/64
4. 1/64
Subtopic: Polygenic Inheritance & Pleiotropy |
54%
Level 3: 35%-60%
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A gene is said to be dominant if:
| 1. | It expresses its effect only in the homozygous stage |
| 2. | It expresses only in heterozygous condition |
| 3. | It expresses both in homozygous and heterozygous conditions |
| 4. | It is never expressed in any condition |
Subtopic: Monohybrid Cross: Further Understanding |
89%
Level 1: 80%+
AIPMT - 2002
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If Mendel might have studied 7 pairs of characters in a plant with 12 chromosomes instead of 14 then:
| 1. | He could not discover an independent assortment |
| 2. | He might have discovered linkage |
| 3. | He might have discovered crossing over |
| 4. | He might have not observed dominance |
Subtopic: Introduction to Genetics: 2 |
Level 3: 35%-60%
AIPMT - 1998
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A trait displays continuous phenotypic variation and is spread across a gradient. Usually, the inheritance of this trait can be described as:
1. dominant-recessive inheritance
2. multiple-allele inheritance
3. polygenic inheritance
4. sex-linked inheritance
Subtopic: Polygenic Inheritance & Pleiotropy |
62%
Level 2: 60%+
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Which of the following is a recessive trait in Pisum sativum?
| 1. | Yellow pod color | 2. | Axial flower position |
| 3. | Inflated pod shape | 4. | Violet flower color |
Subtopic: Introduction to Genetics: 2 |
76%
Level 2: 60%+
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Gynecomastia is an important clinical feature seen in individuals with:
1. Klinefelter's syndrome
2. Turner’s syndrome
3. Oculocutaneous albinism
4. Down’s syndrome
1. Klinefelter's syndrome
2. Turner’s syndrome
3. Oculocutaneous albinism
4. Down’s syndrome
Subtopic: Sex Aneuploidy - Turner & Klinefelter Syndrome |
91%
Level 1: 80%+
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A human female who is not color blind but whose father was color blind marries a normal male. What proportion of their male progeny will have red-green color blindness?
| 1. | 75% | 2. | 50% |
| 3. | 25% | 4. | 0% |
Subtopic: Pedigree Analysis: Problem Solving |
73%
Level 2: 60%+
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