Answer:
controlled the fertilization process.
Explanation:
Mendel took precautions to avoid contamination by pollen through self pollination of the P generation. He controlled the fertilization processes between the plants. He self pollinated the first pureline varieties to form the P generation. He then cross pollinated them to get F1 generation. Every step of his experiment was controlled.
 
        
             
        
        
        
No se Emile no w ye no se
        
             
        
        
        
Answer: Due to crossing over and independent assortment. 
Explanation: Crossing over occurs in Prophase I. It's when the homologous chromosmes switch genes with each other. This ways, genes are recombined, unique chromosmes are made! 
 
        
             
        
        
        
Answer:
raising awareness programmes,keeping environment clean,being attentive in social activities ,etc.
 
        
             
        
        
        
Answer:
Explanation:
Student A because it requires a hypothesis