Mendel believed that during the formation of gametes the pair of genes controlling a trait separate he called this the principle of

 One of two principles of heredity, first formulated by Gregor Mendel,founded on his experiments with pea plants and stating that the members of a pair of homologous chromosomes segregate during meiosis and are distributed to different gametes. Also called law of segregation, principle of segregation.

The titanic is the answer

The  correct answer should be a waste