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Notes of heredity and evolution - Class 10Notes of heredity and evolution - Class 10Notes of heredity and evolution - Class 10Notes of heredity and evolution - Class 10Notes of heredity and evolution - Class 10Notes of heredity and evolution - Class 10Notes of heredity and evolution - Class 10Notes of heredity and evolution - Class 10Notes of heredity and evolution - Class 10Notes of heredity and evolution - Class 10Notes of heredity and evolution - Class 10Notes of heredity and evolution - Class 10Notes of heredity and evolution - Class 10Notes of heredity and evolution - Class 10Notes of heredity and evolution - Class 10Notes of heredity and evolution - Class 10Notes of heredity and evolution - Class 10Notes of heredity and evolution - Class 10Notes of heredity and evolution - Class 10

All the best for ur exam guys.. लहरों से डरकर नौका पार नहीं होती हैं,
कोशिश करने वालों की हार नहीं होती हैं.
जो आपकी जिंदगी में कील बनकर बार-बार चुभे
उसे एक बार हथौड़ी बन कर ठोक देना चाहिए
ताकत अपने लफ्जों में डालो आवाज में नहीं,
क्यूंकि फसल बारिश से होती है बाढ़ से नहीं।

हर तमन्ना पूरी करने के सपने हर शख्स सजाता है!
लेकिन मजबूत इरादे वाला ही उन्हें पूरी कर पाता हैं!
अच्छी किताबे और अच्छे लोग तुरन्त समझ में नही आते,
उन्हें पढ़ना पड़ता हैं.
मुजे ऊंचाइयों पर देखकर हैरान है बहुत लोग,
पर किसी ने मेरे पैरो के छाले नहीं देखे…..!!!!
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FAQs on Notes of heredity and evolution - Class 10

1. What is heredity and evolution?
Ans. Heredity refers to the passing on of traits from parents to offspring through genetic information. It is the reason why children resemble their parents in certain characteristics. Evolution, on the other hand, refers to the gradual change in species over time. It is driven by natural selection, genetic variation, and environmental factors.
2. How does heredity work?
Ans. Heredity works by the transmission of DNA from parents to offspring. DNA contains the genetic information that determines the traits of an individual. During reproduction, the genetic material from both parents combines to create a unique combination of genes in the offspring. These genes influence the physical and behavioral characteristics of the offspring, resulting in traits similar to those of the parents.
3. What is the role of genes in heredity and evolution?
Ans. Genes play a crucial role in both heredity and evolution. They are segments of DNA that contain instructions for building and maintaining an organism. Genes determine the traits and characteristics that are inherited from parents. Through mutations and genetic variations, genes can give rise to new traits. Over time, these genetic variations can accumulate and lead to evolutionary changes within a population or species.
4. How does natural selection contribute to evolution?
Ans. Natural selection is a fundamental mechanism of evolution. It is the process by which individuals with traits better suited to their environment have a higher chance of surviving and reproducing. These individuals pass on their advantageous traits to their offspring, gradually increasing the frequency of those traits in the population over generations. Natural selection helps shape the genetic makeup of a population, leading to adaptive changes and the emergence of new species.
5. What are the sources of genetic variation in a population?
Ans. Genetic variation in a population arises from various sources. Some of the key sources include mutations, which are random changes in the DNA sequence. Mutations introduce new genetic variations that can be beneficial, harmful, or have no significant effect. Another source is genetic recombination during sexual reproduction, where genes from both parents are shuffled and combined to create unique combinations in the offspring. Additionally, gene flow between different populations can also introduce new genetic variations.
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