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Detailed Video: Sexual Reproduction Video Lecture - NEET
FAQs on Detailed Video: Sexual Reproduction Video Lecture - NEET
| 1. What is sexual reproduction? |  |
Ans. Sexual reproduction is a process in which two organisms of the opposite sex come together to combine their genetic material and produce offspring. It involves the fusion of male and female gametes, such as sperm and egg, respectively, to create a genetically diverse offspring.
| 2. How does sexual reproduction differ from asexual reproduction? | |
Ans. Sexual reproduction differs from asexual reproduction in several ways. In sexual reproduction, two parents contribute genetic material to produce offspring, resulting in genetic diversity. On the other hand, asexual reproduction only involves one parent, and offspring are genetically identical to the parent. Additionally, sexual reproduction requires the union of gametes, while asexual reproduction does not.
| 3. What are the advantages of sexual reproduction? | |
Ans. Sexual reproduction provides several advantages. Firstly, it promotes genetic diversity, which is important for the survival of a species. This diversity allows for adaptation to changing environments and increases the chances of offspring with beneficial traits. Secondly, sexual reproduction helps in repairing damaged DNA through recombination. Additionally, it aids in the elimination of harmful mutations from the population over time.
| 4. How do organisms carry out sexual reproduction? | |
Ans. Organisms carry out sexual reproduction through a variety of mechanisms. In most animals, sexual reproduction involves the mating of two individuals, where the male releases sperm into the female's reproductive system to fertilize the egg. In plants, sexual reproduction can occur through pollination, where pollen from the male reproductive organ is transferred to the female reproductive organ. Some organisms, such as fungi, can also undergo sexual reproduction by combining their hyphae or mycelia.
| 5. What are the different types of sexual reproduction? | |
Ans. There are several types of sexual reproduction. In animals, the most common type is internal fertilization, where fertilization occurs inside the female's body. External fertilization is also observed in some aquatic animals, where eggs and sperm are released into the water for fertilization to occur. In plants, there are various methods such as self-pollination, cross-pollination, and wind or insect-mediated pollination. Additionally, some organisms exhibit hermaphroditism, where an individual has both male and female reproductive organs, allowing for self-fertilization.
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