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Reproduction In Organisms

Question
CBSEENBI12047390
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Which of the following processes was discovered by Lederberg and Tatum (1946)?

  • Transduction

  • Transformation

  • Asexual reproduction

  • Conjugation

Solution

D.

Conjugation

Bacterial conjugation is the phenomenon of transfer of genetic material between the bacterial cells with the help of conjugation bridge (tube) or cell to cell contact. This process was firstly discovered by Joshua Lederberg and Edward Tatum in 1946. During conjugation the donor cell provides a conjugative or mobilisable genetic element to the recipient cell.

Some More Questions From Reproduction in Organisms Chapter

Testa and tegmen are present in :

Vegetative type of reproduction means :

Micropropagation is based on :

The entry of pollen tube into embryo sac through the integuments is termed as :

Bryophyllum is vegetatively propagated by :

Which is having menstrual cycle ?

Which is male accessory duct ?

Which of the following is having oestrous cycle ?

 Which of the following is bisexual ?

 Frog is ................... while human female is ....................

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