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प्रश्न
Are parthenocarpy and apomixis different phenomena? Discuss their benefits.
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उत्तर
yes, parthenocarpy and apomixis are different phenomenon.
Importance of Parthenocarpy
- The fruit production without fertilisation of the ovary is called parthenocarpy. This phenomenon is applied for the commercial production of seedless fruits. e.g., banana, grapes.
- This is more useful far the juice industries.
Importance of Apomixis
- During apomixis, chromosomal segregation and recombination does not occur. So characters are stable for several generations.
- It simpilfiers commercial hybridised production because isolation is not necessary to produce F 1 F1 or maintain parental generation.
- Adventive embryony is being used in the production of uniform root-stock and virus-free varieties.
APPEARS IN
संबंधित प्रश्न
Are pollination and fertilization necessary in apomixis?
Explain various categories of 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.
The phenomenon observed in some plants wherein parts of the sexual apparatus are used for forming embryos without fertilization is called ______.
A form of asexual reproduction that mimics sexual reproduction is ______.
Are pollination and fertilization necessary in apomixis? Give reasons.
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 ______.
Haploid cells belong to ______.
Give significance of apomixis.
Explain following term:
Apomixis
What is the importance of apomixis?
