How does a mutation in a gamete compare to mutation in somatic cell?

Describe pasteur’s results and how they disprove spontaneous generation.

Amale bird-of-paradise uses a dance to attract mates in which it flaps its tail feathers on the ground and jumps around a potential female mate. a different male bird-of-paradise does a similar dance but it jumps around the female in the opposite direction. the female bird is only attracted to one style of dance, in one direction.

Which strand is synthesized towards the replication fork