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प्रश्न
Are pollination and fertilization necessary in apomixis? Give reasons.
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उत्तर
No, pollination and fertilization are not required in apomixis. Apomixis serves as an alternative method to sexual reproduction, even though the female reproductive structures are utilized during the process. In apomictic plants, embryos can develop directly from cells such as the nucellus, synergid, or egg without the need for pollination or fertilization. Hence, neither pollination nor fertilization is necessary for apomixis to occur.
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संबंधित प्रश्न
What is apomixis?
In ______a diploid sporophyte cell produces a diploid gametophyte without undergoing meiosis.
Identify the CORRECT statements with respect to non-recurrent apomixis.
i. Plants produced by this method are generally sterile and do not reproduce sexually.
ii. In this, megaspore mother cell undergoes usual meiotic division and a haploid embryo sac is formed.
______ refers to the formation of seeds without fertilization.
Adventive embryony can be observed in ______.
Are parthenocarpy and apomixis different phenomena? Discuss their benefits.
Assertion: Apomictic embryos are genetically identical to the parent plant.
Reason: Apomixis is the production of seeds without fertilization.
Apospory is the direct formation of ______.
Explain following term:
Apomixis
What is the importance of apomixis?
Who coined the term Apomixis?
Apomixis was classified by whom?
What is the key bypass in Apomixis?
In Diplospory, a diploid embryo sac is formed directly from which structure?
What is another name for Diplospory?
What happens to the megaspore mother cell (MMC) in Apospory?
In Somatic Apospory, which cell develops into a diploid \[2n\] embryo sac?
What is another name for Apospory?
Adventive embryos developing alongside the normal zygotic embryo give rise to what?
Which is an example of non-recurrent apomixis?
Which statement expresses the role of Apomixis in crop improvement?
Non-recurrent apomixis is useful in which studies?
