Nwhich vertebrates did feathers first evolve?

Feathers are highly complex natural structures and they're key to the success of birds. But they initially evolved in dinosaurs, birds' extinct ancestors.

identify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.identify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.v

they fuse to form they have half as many chromosomes as a somatic cell of the same individual. b