Brain › Science & NatureWhat did Gregory Mendel use to test genetic crossovers?CatsPeasFlowersParrotsAnswerThe correct answer is B) Peas.More Science & Nature questionsWhat is the first element on the periodic table?Which element has the highest melting point?Who discovered the Law of Gravity?How many moons does Pluto have?How many chromosomes are in your body cells?Dry ice is the solid form of what substance?Play Brain · Practice