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Principles of Inheritance & Variation in One Shot (NCERT) Video Lecture | Biology Class 12 - NEET

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FAQs on Principles of Inheritance & Variation in One Shot (NCERT) Video Lecture - Biology Class 12 - NEET

1. What are the principles of inheritance and variation?
Ans. The principles of inheritance and variation are the fundamental concepts in genetics. These principles explain how traits are passed on from one generation to another and how variations occur within a population. The principles include the laws of inheritance proposed by Gregor Mendel, such as the law of segregation and the law of independent assortment, which describe how traits are inherited in a predictable manner.
2. How do the principles of inheritance and variation relate to NEET?
Ans. The principles of inheritance and variation are important topics covered in the NEET (National Eligibility cum Entrance Test) syllabus for biology. Students are expected to have a clear understanding of these principles as they form the basis of genetics, a crucial component of biology. Questions related to inheritance patterns, variations, and genetic disorders are frequently asked in the NEET exam.
3. What is the significance of studying inheritance and variation for medical professionals?
Ans. Studying inheritance and variation is significant for medical professionals as it helps them understand the genetic basis of diseases, inheritance patterns, and the likelihood of passing on genetic disorders to offspring. This knowledge is vital in genetic counseling, diagnosing genetic disorders, and developing treatments or preventive measures for such conditions. Medical professionals need to have a strong grasp of these principles to provide effective healthcare and guidance to patients.
4. How can the principles of inheritance and variation be applied in agriculture?
Ans. The principles of inheritance and variation are extensively applied in agriculture to improve crop yield and quality. By understanding the principles of inheritance, plant breeders can selectively breed plants with desired traits, such as disease resistance, high yield, or improved nutritional content. This knowledge helps in developing new varieties of crops that are better adapted to specific environmental conditions and can contribute to food security.
5. Can you provide an example of how the principles of inheritance and variation are relevant in the study of human diseases?
Ans. Yes, an example of how the principles of inheritance and variation are relevant in the study of human diseases is the inheritance pattern of cystic fibrosis. Cystic fibrosis is a genetic disorder that follows an autosomal recessive inheritance pattern. Understanding this principle helps in predicting the likelihood of an individual inheriting the disorder, assessing the risk for future generations, and providing appropriate genetic counseling. This knowledge is crucial for families with a history of cystic fibrosis and aids in making informed decisions regarding family planning and healthcare.
158 videos|393 docs|239 tests
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