State whether the given statement is true or false and give justification for the same:
  
1. In sexual reproduction, the degree of similarity between the young ones and parents is called variation.
 
This statement is
  
2. In dihybrid experiments of pea plants, pure breed yellow colour and round shaped seed plants, have yellow colour and round shape genes that cannot be separated and are linked to each to other during their inheritance.
 
This statement is