Examine the statements below and choose the correct answer:
1.
| Statement 1: | Insulin is produced by the beta cells of the islets of Langerhans. |
| Statement 2: | Insulin is produced by the alpha cells of the islets of Langerhans. |
2.
| Statement 1: | Stem cells can divide and give rise to more stem cells through self-renewal. |
| Statement 2: | Stem cells can give rise to specialised cells with specific functions through the process of differentiation. |
3.
| Statement 1: | Variable number of tandem repeat sequences (VNTRs) are used as molecular markers for identification. |
| Statement 2: | Bulk genomic DNA refers to \(99 \%\) of the DNA base sequences, which are identical. |