Tomatoes we see today on the shelves of grocery stores are products of
All the above
Tomato as we see it today is modified from a puny berry-like fruit by cross pollination and selective breeding. As a result, the tomatoes are juicier, bigger, more pest-resistant, easy to grow and quick to ripen. Modifications were also made using cloning and genetic engineering techniques to increase it’s shelf life while retaining its flavour.