Grade 12 Exam > Grade 12 Videos > Biology for Grade 12 > Apomixis
Apomixis Video Lecture | Biology for Grade 12
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FAQs on Apomixis Video Lecture - Biology for Grade 12
| 1. What is apomixis and how does it relate to plant reproduction? |  |
Ans. Apomixis refers to a type of asexual reproduction in plants where seeds are formed without the process of fertilization. It involves the development of embryos from unfertilized egg cells, resulting in the production of genetically identical offspring. This process bypasses the need for pollination and produces seeds that are clones of the parent plant.
| 2. How is apomixis different from sexual reproduction in plants? | |
Ans. Apomixis is a form of asexual reproduction in plants, whereas sexual reproduction involves the fusion of male and female gametes through pollination and fertilization. In apomixis, the seeds are formed without the involvement of fertilization, resulting in offspring that are genetically identical to the parent plant. Sexual reproduction, on the other hand, generates genetic diversity through the recombination of genetic material from two parent plants.
| 3. What are the advantages of apomixis in plant species? | |
Ans. Apomixis offers several advantages to plant species. Firstly, it allows for the production of offspring that are genetically identical to the parent plant, ensuring the preservation of desirable traits. Secondly, it bypasses the need for pollinators, increasing reproductive efficiency in environments with limited pollination opportunities. Lastly, apomixis can enhance the colonization of new habitats, as it enables the establishment of populations from a single individual.
| 4. Which plant species commonly exhibit apomixis? | |
Ans. Apomixis can be found in various plant species across different families. Some examples include dandelions, daisies, brambles, and certain grasses. These plants often reproduce through apomixis in addition to sexual reproduction, allowing them to adapt to different environmental conditions and ensure their survival.
| 5. Can apomixis be artificially induced in plants for commercial purposes? | |
Ans. While apomixis occurs naturally in some plant species, its induction in other plants for commercial purposes is still a topic of ongoing research. The ability to produce genetically identical plants through apomixis could have significant benefits in agriculture, horticulture, and forestry, such as the rapid propagation of elite cultivars. However, more studies are needed to understand and manipulate the complex genetic and molecular mechanisms underlying apomixis before it can be effectively induced in desired plant species.
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Nov 24, 2024 Last updated |
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