Final answer:
Gregor Mendel's significant findings in his pea plant experiment include: identifying the laws of inheritance, forming the basis of genetics, and demonstrating cross-pollination and hybrid production.
Step-by-step explanation:
Gregor Mendel's significant findings and contributions in his pea plant experiment are:
- Mendel identified the laws of inheritance. He discovered that traits are transmitted faithfully from parents to offspring in specific patterns, independently of other traits and in dominant and recessive patterns.
- Mendel's discoveries formed the basis of genetics, the science of heredity.
- He demonstrated the concept of cross-pollination and the production of hybrids.
These findings were groundbreaking and revolutionized our understanding of how characteristics are passed from parents to offspring.