Category: CSIR NET Life Science Previous Year Questions and Solution on HUMAN GENETICS

Category: CSIR NET Life Science Previous Year Questions and Solution on HUMAN GENETICS

CSIR NET Life Science Previous Year Questions and Solution on HUMAN GENETICS

10. The trait shown in the above pedigree is (1) X-linked recessive trait (2) Autosomal recessive trait (3) Y-linked trait (4) X-linked dominant trait

Autosomal Recessive Pedigree

9. The inheritance of a given disorder is recorded in three small families shown below: Based on the above limited information, which one of the following inheritance pattern best explain the observations? (1) X-linked recessive (2) X-linked dominant (3) Autosomal recessive (4) Autosomal dominant

Inheritance of a Given Disorder in Three Small Families

8. The following the inheritance pattern of a trait under observation: (i) The trait often skips a generation (ii) The number of affected males and females is almost equal (iii) The trait is often found in pedigrees with consanguineous marriages. The trait is likely to be (1) autosomal recessive. (2) autosomal dominant. (3) sex-linked recessive. (4) sex linked dominant.

Why Skipping Generations and Consanguinity Indicate Autosomal Recessive Inheritance

7. Of the following, which one of the individuals will NOT necessarily carry the allele responsible for the mentioned trait? (1) A woman in a family where an autosomal dominant trait is segregating and her mother and son are affected. (2) A daughter of a man who is affected by an X linked dominant trait (3) A father of a child who is affected With an autosomal recessive trait (4) A father of a boy affected with X- linked recessive trait

Autosomal vs X‑Linked Inheritance

6. The following pedigree represents the inheritance of a rare disorder. Based on the above pedigree. what is the most likely mode of inheritance? (1) Autosomal dominant (2) X-linked recessive (3) X-linked dominant (4) Y-linked dominant

Identifying X‑Linked Dominant Inheritance in a Rare Disorder

5. Given below is a pedigree a pattern of inheritance: The following statements are drawn from the above pedigree towards understanding the pattern of inheritance. A. An affected male does not appear to pass the trait to his sons B. An affected male appear to pass the allele to a daughter who is unaffected C. All affected individuals have at least one affected parent D. The given trait appear to be a recessive one E. The given trait appears to be an autosomal recessive one Select the option from the following that has all correct statements: (1) C and E only (2) A, B and D only (3) E only (4) A, B, C, D and E

Identifying X‑Linked Recessive Inheritance

4. Given below is a pedigree indicating a pattern of inheritance: Which one of the following options correctly describes the pattern of inheritance shown in the above pedigree? (1) X-linked recessive (2) Autosomal recessive (3) X-linked dominant (4) Autosomal dominant

Identifying X‑Linked Dominant Inheritance

3. The following pedigree represents the inheritance of a rare disorder. Based on the above pedigree, what is the most likely mode of inheritance? (1) Autosomal Dominant (2) X-linked recessive (3) X-linked dominant (4) Autosomal recessive

 Pedigree Analysis of a Rare Disorder

2. Consider the following pedigree chart (1) X-linked recessive (2) X-linked dominant (3) Sex limited recessive (4) Autosomal dominant

Identifying X‑Linked Recessive Inheritance

1. The following pedigree tree represents (1) Autosomal Dominant (2) Autosomal Recessive (3) X-linked Dominant (4) X-linked Recessive

Identifying Autosomal Recessive Inheritance

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