Final answer:
Mendel was a successful scientist due to his curious mind, sound scientific methods, and persistence in studying 30,000 pea plants which led to the foundation of genetics.
Step-by-step explanation:
Johann Gregor Mendel exhibited multiple traits that made him an excellent scientist and ultimately the "Father of Genetics." First, Mendel had a curious mind that drove him to explore the underlying patterns of heredity. His deep sense of curiosity was crucial in shaping his scientific inquiries and achieving his groundbreaking findings. Second, he applied sound scientific methods to his research, carefully choosing pea plants as his model system due to their distinct and observable traits, such as flower color and seed shape, which allowed for clear data analysis. Lastly, Mendel demonstrated great persistence, documenting a vast number of experimental crosses and meticulously analyzing nearly 30,000 pea plants to ensure the reliability of his results.