In the given exercise, an Assertion is followed by the corresponding Reason. Select the suitable answer from the given options:
1.
| Assertion: | Walter sutton discovered chromosomes. |
| Reason: | Walther flemming recognised and explored the network of fibres within the nucleus, which he called chromatin or "sustainable materials". |
2.
| Assertion: | Every cell's telomeres act as an ageing clock. |
| Reason: | Telomeres are protective nucleotide sequences that are present at the ends of chromosome and it gets shorter as cell divides. |