TLS Online TPP Program

#Question id: 39259


Q. Assertion (A): After repeated backcrossing of asymmetric hybrids with N. plumbaginifolia, plants with a diploid N. plumbaginifolia genome and a few A. belladonna chromosomes were recovered.
Reason (R): Backcrossing helps eliminate unwanted alien chromosomes while retaining selected genes.

#Plant Biotechnology
  1. Both A and R are true and R correctly explains A
  2. Both A and R are true but R does not explain A
  3. A is true but R is false
  4. A is false but R is true