Are the percentages calculated in a Punnett Square guaranteed to happen to those parents' children? A. No, they are predictions of the probability of certain traits getting passed on.

B. Yes, they are calculated that way

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