Genetics and Plant Breeding-1 (Principles of Genetics and Cytogenetics)

Daffodil International University Department of Agricultural Science Faculty of Agricultural Sciences BSc. in Agricultural Science Midterm Examination-Fall 2026 Course Code: 0818 2201 Course Title: Genetics and Plant Breeding-1 (Principles of Genetics and Cytogenetics) Level and Term: L-2, T-2 Section: (A, B, & C) Course Teacher Initials: MTI Total Marks: 25 Time: 1 hour 30 Mins Splitting any answer is strictly prohibited 1. (a) Define chromosome? List the structural components of a nucleotide. CLO1, PLO1, C1 [Marks: 2] 1. (b) Illustrate the typical structure of a chromosome. CLO1, PLO1, C1 [Marks: 3] 2. (a) Explain the basic chromosome number and the ploidy level. CLO1, PLO2, C2 [Marks: 2] 2. (b) Explain the characteristics of mutation. CLO2, PLO2, C2 [Marks: 3] 3. (a) Identify the causative reason behind the maternal effect. CLO1, PLO2, C3 [Marks: 2] 3. (b) Compare and contrast between different models of DNA replication. CLO1, PLO2, C3 [Marks: 3] 4. (a) Draw a representative model/structure of a gene. CLO1, PLO1, C3 [Marks: 3] 4. (b) "Wheat is an allohexaploid species" analyze with the scientific rationality. CLO1, PLO2, C4 [Marks: 2] 5. (a) Dissect "duplication is generally less deleterious than deletion". CLO2, PLO2, C4 [Marks: 3] 5. (b) Identify the core difference between terminal deletion and intercalary deletion in chromosome. CLO2, PLO1, C3 [Marks: 2]