26. The pedigree below represents the inheritance of an autosomal recessive trait. What is the probability that individual ‘6’ is a heterozygote? (1) 1/4 (2) 1/2 (3) 2/3 (4) 1/3 […]
Category: CSIR NET Life Science Previous Year Questions and Solution on Genetics
CSIR NET Life Science Previous Year Questions and Solution on Genetics
CSIR NET Life Science Previous Year Questions and Solution on Genetics
Pedigree Analysis of a Rare Recessive Disorder
25. The following pedigree shows the inheritance pattern of a rare recessive disorder with complete penetrance. A child from marriage between individual II-2 & II-3 will show the disorder only […]
![24. The inheritance pattern of a common trait which shows complete penetrance is shown below: Based on the above pedigree, fill in the blanks from the options given below: ‘’The trait is__[A] __, The probability that a child from the marriage of individual III-1 and III-2 will show the trait is __[B]__ considering that the individual III-1 is a carrier of the trait.” A B (1) Y-linked 0 (2) Y-linked 1/2 (3) Autosomal 1/8 (4) Autosomal 1/6](https://www.letstalkacademy.com/wp-content/uploads/2025/12/24-4.png)
CSIR NET Life Science Previous Year Questions and Solution on Genetics
Pedigree Analysis of a Common Autosomal Trait with Complete Penetrance
24. The inheritance pattern of a common trait which shows complete penetrance is shown below: Based on the above pedigree, fill in the blanks from the options given below: ‘’The […]
CSIR NET Life Science Previous Year Questions and Solution on Genetics
Autosomal Recessive Carrier Frequency and Affected Child Risk
23. The following pedigree shows the inheritance of a common phenotype controlled by an autosomal recessive allele. The probability of carriers in the population is 1/3 What is the probability […]
CSIR NET Life Science Previous Year Questions and Solution on Genetics
Autosomal Recessive Inheritance and Probability for Affected Daughter
22. The following pedigree shows the inheritance pattern of a trait. From the following select the possible mode of inheritance and the probability that the daughter in generation III will […]
CSIR NET Life Science Previous Year Questions and Solution on Genetics
Autosomal Recessive Albinism Pedigree
21. Affected individuals from the pedigree given below are suffering from albinism, an autosomal recessive disease. Identify the confirmed carrier individuals in this pedigree assuming that the members coming from […]
CSIR NET Life Science Previous Year Questions and Solution on Genetics
Identifying Autosomal Dominant Inheritance (B, D, E)
20. The given pedigree shows the inheritance of a trait The following derivations are made from the pedigree chart: A. The trait can be Y-linked because I-parent produced II-4 child […]
CSIR NET Life Science Previous Year Questions and Solution on Genetics
Autosomal Dominant Inheritance Explained
19. The following pedigree represents inheritance of a trait in an extended family: What is the probable mode of inheritance and which individuals conclusively demonstrate this mode of inheritance? (1) […]
CSIR NET Life Science Previous Year Questions and Solution on Genetics
Mitochondrial Inheritance and Heteroplasmy Explained
18. A Family was examined for a given trait which is represented in the pedigree shown below. Further, the degree of expression of the trait is highly variable among members […]
CSIR NET Life Science Previous Year Questions and Solution on Genetics
X‑Linked vs Autosomal Modes of Inheritance
17. Following are four modes of inheritance A. X-linked recessive B. X-linked dominant C. Autosomal recessive D. Autosomal dominant Which of the above modes of inheritance can explain the pedigree […]
