Why did Mendel select pea plants for his genetic experiments?

• A. Pea plants are able to self-fertilize and cross-fertilize, allowing controlled breeding.
• B. Pea plants have long generation times, which allow for detailed observations over time.
• C. Pea plants are the only plants that exhibit genetic variation.
• D. Pea plants have a complex genome suitable for advanced genetic analysis.

Answer: (A)