Grade 12 Exam > Grade 12 Videos > Biology for Grade 12 > Reproduction in Organism - 1
Reproduction in Organism - 1 Video Lecture | Biology for Grade 12
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FAQs on Reproduction in Organism - 1 Video Lecture - Biology for Grade 12
| 1. What is reproduction in organisms? |  |
Ans. Reproduction in organisms refers to the biological process through which new individuals of the same species are produced, ensuring the continuation of the species. It involves the production of offspring either sexually or asexually.
| 2. What are the different modes of reproduction in organisms? | |
Ans. Organisms can reproduce in various ways. Sexual reproduction involves the fusion of male and female gametes, resulting in offspring with genetic variation. Asexual reproduction, on the other hand, does not involve gamete fusion and produces offspring genetically identical to the parent.
| 3. How does sexual reproduction occur in organisms? | |
Ans. Sexual reproduction in organisms involves the fusion of male and female gametes. The male gametes, called sperm, are produced by the male reproductive organs, while the female gametes, called eggs or ova, are produced by the female reproductive organs. The fertilization of the egg by a sperm leads to the formation of a zygote, which develops into a new individual.
| 4. What are the advantages of sexual reproduction in organisms? | |
Ans. Sexual reproduction offers several advantages. It promotes genetic diversity within a population, which enhances the chances of survival and adaptation to changing environments. It also helps in the elimination of harmful genetic mutations and the repair of damaged DNA through recombination. Additionally, sexual reproduction allows for the evolution of new traits and characteristics.
| 5. Can you explain asexual reproduction in organisms? | |
Ans. Asexual reproduction in organisms does not involve the fusion of gametes. Instead, it leads to the production of offspring that are genetically identical to the parent. This can occur through various mechanisms such as binary fission, budding, fragmentation, or spore formation. Asexual reproduction is advantageous in stable environments as it allows for rapid and efficient reproduction without the need to find a mate. However, it limits genetic diversity and the ability to adapt to changing conditions.
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Dec 26, 2024 Last updated |
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