Analyse the pair of statements and select the right option.
 
1.Statement 1: The nuclei of sperm and egg contain chromosomes carrying genes.

Statement 2: These genes are responsible for transmitting hereditary traits from parent to offspring.
 
2.  Statement 1: In external fertilisation, gametes fuse in the water outside the female’s body.

Statement 2: Frogs and fish are examples of animals that show external fertilisation.