MCQ
Abiogenetic theory of origin states
- ✓Spontaneous generation
- BOrganic evolution due to chemical reaction
- COrigin of life due to pre-existing organisms
- DOrigin of life from blue green algae
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Reason : No recessive individual are obtained in the monohybrid test cross.
$I.$ Identification of $DNA$ with desirable genes
$II.$ Gene transfer
$III.$ Maintenance of $DNA$ in host and gene cloning
$IV.$ Introduction of $DNA$ into host to from recombinant $DNA$
Which of the following represents the correct sequence of steps?