How does crossing over (genetic recombination) during prophase I of meiosis increase genetic diversity

Not sure what you mean by this question

The answer to this will be from your lab notes/procedure. it would be best to ask another student who participated in the lab as we do not know what was done, what enzyme or if the temperature is celsius or fahrenheit. if i were to guess though i'd say the rate stopped due to enzyme denturing at high temperature

He used pea plants to study the patterns of heredity.