MCQ
The process involved only in meiosis.
- ✓Pairing of homologous chromosomes.
- BCondensation of chromosomes.
- CReformation of nuclear envelope.
- DSplitting of centromere.
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Assertion $(A):$
Polymerase chain reaction is used in DNA amplification
Reason $(R):$
The ampicillin resistant gene is used as a selectable marker to check transformation
In the light of the above statements, choose the correct answer from the options given below :
$R$ : Biomass of fishes far exceeds that of phytoplanktons.