What is the process by which dna is transmitted to offspring? how does only half of the genetic material of the parent get transmitted to the child ?

List two modern organisms that have pentameral symmetry

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.

What should be the strand of complementary dna produced by the strand of dna shown below cgt ata