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Which is the most common mechanism of genetic variation in the population of sexually reproducing organism?

  • Transduction

  • Chromosomal aberrations

  • Genetic drift

  • Genetic drift


D.

Genetic drift

Recombination is the most common mechanism of genetic variation in the population of a sexually reproducing organism. It involves the exchange of genetic material either between multiple chromosomes or between different regions of the same chromosome. This mechanism is generally mediated by homologous chromosomes, during meiosis, i.e, formation of gametes or germ cells. 

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In ginger vegetative propagation occurs through 

  • rhizome

  • offsets

  • bulbils

  • bulbils


Which one of the following matches is correct?

  • Phytophthora Aseptate mycelium Basidiomycetes
  • Alternaria Sexual reproduction Deuteromycetes

  • Mucor Reproduction by conjugation Asocmycetes
  • Mucor Reproduction by conjugation Asocmycetes

What will you look for to identify the sex of the following?

  • male frog - a copulatory pad on the first digit of the hind limb

  • Female cock - anal cerci

  • Male shark - claspers borne on pelvic fins

  • Male shark - claspers borne on pelvic fins


Archegoniophore is present in 

  • Chara

  • Adiantum 

  • Funaria

  • Funaria


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