"My experiments with single traits all lead to the same result: that from the seeds of hybrids, plants are obtained half of which in turn carry the hybrid trait (Aa), the other half, however, receive t…"

"The value of the experiment as a means of solving questions of evolution must not be underestimated."

"The pea hybrids form eggs and pollen cells which, in their constitution, represent in equal numbers all constant forms resulting from the combination of traits united through fertilization."

"The numerical ratios I have observed cannot be dismissed as mere coincidence."

"This circumstance is especially important for the evolutionary history of plants because constant hybrids acquire the status of new species."