IGNOU LSE 3 SOLVED ASSIGNMENT
LSE 3: Genetics
₹80 ₹30
| Title Name | IGNOU LSE 3 SOLVED ASSIGNMENT |
|---|---|
| Type | Soft Copy (E-Assignment) .pdf |
| University | IGNOU |
| Degree | BACHELOR DEGREE PROGRAMMES |
| Course Code | BSC |
| Course Name | Bachelor in Science |
| Subject Code | LSE 3 |
| Subject Name | Genetics |
| Year | 2026 |
| Session | - |
| Language | English Medium |
| Assignment Code | LSE 3/Assignment-1/2026 |
| Product Description | Assignment of BSC (Bachelor in Science) 2026. Latest LSE 03 2026 Solved Assignment Solutions |
| Last Date of IGNOU Assignment Submission | Last Date of Submission of IGNOU BEGC-131 (BAG) 2025-26 Assignment is for January 2026 Session: 30th September, 2026 (for December 2025 Term End Exam). Semester Wise January 2025 Session: 30th March, 2026 (for June 2026 Term End Exam). July 2025 Session: 30th September, 2025 (for December 2025 Term End Exam). |
| Format | Ready-to-Print PDF (.soft copy) |
📅 Important Submission Dates
- January 2026 Session: 31st March, 2026
- July 2026 Session: 30th September, 2026
- January 2026 Session: 31st March, 2026
- July 2026 Session: 30th September, 2026
Why Choose Our Solved Assignments?
• Guidelines: Strictly follows 2025-26 official word limits.
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LSE 3 2025 - English
ASSIGNMENT
(Tutor Marked Assignment)
Course Code: LSE-03
Assignment Code: LSE-43/TMA/2025
Max. Marks: 100
1. Describe with appropriate examples the role of environment in the determination of sex.
2. Detail the Watson and Crick model of DNA structure. How did it fit in the data provided by Chargaff?
3. Does the operon concept apply to eukaryotes? Describe a suggested mechanism for gene regulation in eukaryotes.
4. In a randomly mating laboratory population of Drosophila, 4 per cent of the flies have black bodies (black is autosomal recessive, b) and 96 per cent have brown bodies (normal colour, B). If this population is assumed to be in Hardy-Weinberg equilibrium, what are the allelic frequencies of B and b, and the genotypic frequencies of BB and Bb?
5. Detail the molecular basis of mutations.
6. Enlist the different types of lymphocytes. Mention their function, site of differentiation, and the type of immunity imparted by them.
7. Describe any two modern methods for the improvement of crop plants.
8. Describe in brief the following:
i) Chemical mutagens
ii) ABO Blood group system
iii) Autoimmune diseases
iv) Genetic counselling
9.a) Describe Griffith's experiment to show transformation in DNA.
b) Genetic engineering can be used for improving nutritional value of food. Explain in detail.
10. Describe the various applications of genetic engineering.
LSE 03 (January 2026 - July 2026) - ENGLISH
ASSIGNMENT
(Tutor Marked Assignment)
Course Code: LSE-03
Assignment Code: LSE-03/TMA/2026
Max. Marks: 100
1. Describe with appropriate examples the role of environment in the determination of sex.
2. Detail the Watson and Crick model of DNA structure. How did it fit in the data provided by Chargaff?
3. Does the operon concept apply to eukaryotes? Describe a suggested mechanism for gene regulation in eukaryotes.
4. In a randomly mating laboratory population of Drosophila, 4 per cent of the flies have black bodies (black is autosomal recessive, b) and 96 per cent have brown bodies (normal colour, B). If this population is assumed to be in Hardy-Weinberg equilibrium, what are the allelic frequencies of B and b, and the genotypic frequencies of BB and Bb?
5. Detail the molecular basis of mutations.
6. Enlist the different types of lymphocytes. Mention their function, site of differentiation, and the type of immunity imparted by them.
7. Describe any two modern methods for the improvement of crop plants.
8. Describe in brief the following:
i) Chemical mutagens
ii) ABO Blood group system
iii) Autoimmune diseases
iv) Genetic counselling
9. a) Describe Griffith's experiment to show transformation in DNA.
b) Genetic engineering can be used for improving nutritional value of food. Explain in detail.
10. Describe the various applications of genetic engineering.
LSE 3 2025 - Hindi
सत्रीय कार्य (अध्यापक जांच सत्रीय कार्य)
एलएसई-03
सीय कार्यकोLSE-43/TMA/2025
गुल बंक : 100
1. लिंग निर्धारण में पर्यावरण की भूमिका को उदाहरण देते हुए विस्तार से समझाइए। (10)
2. वाटसन और क्रिक के DNA संरचना के मॉडल का वर्णन कीजिए। इसमें चारगॉफ द्वारा दिए गए आँकड़े किस प्रकार सही बैठते हैं?
3. क्या ससीमकेन्द्रकों पर ओपेरॉन संकल्पना लागू होती है? ससीमकेन्द्रक में जीन नियमन की एक क्रियाविधि को विस्तार से बताइए।
4. ड्रोसोफिला मक्खियों की एक यादृच्छिकतः संगम करने वाली प्रयोगशाला समष्टि में 4 प्रतिशत मक्खियों का रंग काला (autosomal recessive यानी अलिंगसूत्री अप्रभावी, black, b) है तथा 96 प्रतिशत का रंग भूरा (normal colour brown, B) है। यदि इस समष्टि को हार्डी वाइनबर्ग साम्यावस्था में माना जाए तो B तथा b की युग्मविकल्पी आवृत्तियों और BB तथा Bb की जीनप्ररूपी आवृतियाँ क्या होंगी?
5. उत्परिवर्तनों के आण्विक आधार को विस्तार से समझाइए।
6. विभिन्न लिम्फोसाइटों की सूची बनाइए। उनके प्रकार्य, विभेदन के स्थल तथा उनसे पैदा होने वाले प्रतिरक्षा प्रकारों का उल्लेख कीजिए।
7. कृषि पौधों को उन्नत बनाने के किन्हीं दो तरीकों का वर्णन कीजिए।
8. निम्नलिखित का संक्षिप्त विवरण दीजिए:
i) रासायनिक उत्परिवर्तजन
ii) ABO रुधिर वर्ग प्रणाली
iii) स्वप्रतिरक्षित रोग
iv) आनुवंशिक परामर्श
9. क) डी.एन.ए. रूपातंरण को दर्शाने वाले ग्रिफिथ प्रयोग का वर्णन कीजिए। (5)
ख) आनुवंशिक अभियांत्रिकी का प्रयोग भोजन के पोषणजमान के सुधार के लिए किया जा सकता है। विस्तार से व्याख्या कीजिए।
10. आनुवंशिक अभियांत्रिकी के विभिन्न अनुप्रयोगों का वर्णन कीजिए। (10)
LSE 03 (January 2026 - July 2026) - HINDI
सत्रीय कार्य
(अध्यापक जांच सत्रीय कार्य)
पाठ्यक्रम कोड : LSE-03
सत्रीय कार्य कोड : LSE-03/TMA/2026
कुल अंक : 100
1. लिंग निर्धारण में पर्यावरण की भूमिका को उदाहरण देते हुए विस्तार से समझाइए।
2. वाटसन और क्रिक के DNA संरचना के मॉडल का वर्णन कीजिए। इसमें चारगॉफ द्वारा दिए गए आँकड़े किस प्रकार सही बैठते हैं?
3. क्या ससीमकेन्द्रकों पर ओपेरॉन संकल्पना लागू होती है? ससीमकेन्द्रक में जीन नियमन की एक क्रियाविधि को विस्तार से बताइए।
4. ड्रोसोफिला मक्खियों की एक यादृच्छिकतः संगम करने वाली प्रयोगशाला समष्टि में 4 प्रतिशत मक्खियों का रंग काला (autosomal recessive यानी अलिंगसूत्री अप्रभावी, black, b) है तथा 96 प्रतिशत का रंग भूरा (normal colour brown, B) है। यदि इस समष्टि को हार्डी वाइनबर्ग साम्यावस्था में माना जाए तो B तथा b की युग्मविकल्पी आवृत्तियाँ और BB तथा Bb की जीनप्ररूपी आवृत्तियाँ क्या होंगी?
5. उत्परिवर्तनों के आण्विक आधार को विस्तार से समझाइए।
6. विभिन्न लिम्फोसाइटों की सूची बनाइए। उनके प्रकार्य, विभेदन के स्थल तथा उनसे पैदा होने वाले प्रतिरक्षा प्रकारों का उल्लेख कीजिए।
7. कृषि पौधों को उन्नत बनाने के किन्हीं दो तरीकों का वर्णन कीजिए।
8. निम्नलिखित का संक्षिप्त विवरण दीजिए :
i) रासायनिक उत्परिवर्तजन
ii) ABO रूधिर वर्ग प्रणाली
iii) स्वप्रतिरक्षित रोग
iv) आनुवंशिक परामर्श
9. क) डी.एन.ए. रूपांतरण को दर्शाने वाले ग्रिफिथ प्रयोग का वर्णन कीजिए।
ख) आनुवंशिक अभियांत्रिकी का प्रयोग भोजन के पोषणजमान के सुधार के लिए किया जा सकता है। विस्तार से व्याख्या कीजिए।
10. आनुवंशिक अभियांत्रिकी के विभिन्न अनुप्रयोगों का वर्णन कीजिए।
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