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Stellaria mcclintockiae

A new plant species, Stellaria mcclintockiae, was discovered in Kerala’s Nelliyampathy hills and named in honor of Nobel laureate Barbara McClintock.  Barbara McClintock, won the 1983 Nobel Prize for her discovery of the ‘jumping genes.’

About Stellaria mcclintockiae

The new species belongs to the genus Stellaria (family Caryophyllaceae).

  • Features:  Stellaria mcclintockiae differs from other species of this genus with respect to the features of its petals, pollen morphology, bracts, sepals, and seed architecture.
    • Stellaria species are small herbs with simple opposite leaves. They bear small flowers typically with five sepals and five white petals, which are often deeply divided or absent, all separate.
  • Threat: Its habitat is highly susceptible to heavy grazing and trampling by elephants.

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Jumping Genes

Jumping genes, also called transposons, move randomly within the genome, inserting genetic material as they move, with the help of enzymes known as transposases. 

  • Mechanism: They can insert into DNA without causing cuts and possess the chemical properties needed for direct integration without a DNA double-strand break.

 

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 Final Result – CIVIL SERVICES EXAMINATION, 2023.   Udaan-Prelims Wallah ( Static ) booklets 2024 released both in english and hindi : Download from Here!     Download UPSC Mains 2023 Question Papers PDF  Free Initiative links -1) Download Prahaar 3.0 for Mains Current Affairs PDF both in English and Hindi 2) Daily Main Answer Writing  , 3) Daily Current Affairs , Editorial Analysis and quiz ,  4) PDF Downloads  UPSC Prelims 2023 Trend Analysis cut-off and answer key

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 Final Result – CIVIL SERVICES EXAMINATION, 2023.   Udaan-Prelims Wallah ( Static ) booklets 2024 released both in english and hindi : Download from Here!     Download UPSC Mains 2023 Question Papers PDF  Free Initiative links -1) Download Prahaar 3.0 for Mains Current Affairs PDF both in English and Hindi 2) Daily Main Answer Writing  , 3) Daily Current Affairs , Editorial Analysis and quiz ,  4) PDF Downloads  UPSC Prelims 2023 Trend Analysis cut-off and answer key

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UDAAN PRELIMS WALLAH
Comprehensive coverage with a concise format
Integration of PYQ within the booklet
Designed as per recent trends of Prelims questions
हिंदी में भी उपलब्ध

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