11.4.2 Read the text again. Mark the sentences (1-5) as T (true), F (false) or DS (doesn't say). ... ... ... Gregor Mendel was the first person to study genetics. He didn't choose to study the pea plant at random. All of the first generation of pea plants showed a particular trait. One of his conclusions was that the genes changed when they were passed on. Mendel's paper, Experiments in Plant Hybridization was quite popular when first published.