Why are mice used in human gene research?

Iwant to say it is because they are closes to how humans will react. mice are extremely smart and are closes to humans

Answer/// humans and mice share many common genetic features and by examining the physiology anatomy and metabolism of a mouse, scientists can gain a valuable insight into how humans function.

The soviet union beat the us to the first successful launch, with the october 4, 1957, orbiting of sputnik 1, and later beat the us to have the first human in earth orbit, yuri gagarin, on april 12, 1961. the "race" peaked with the july 20, 1969, us landing of the first humans on the moon with apollo 11

C) to ensure each new cell has an exact copy of the dna