How did Gregor Mendel learn about heredity? A. he collected detailed information on inherited traits of pea plants
B. he carefully observed the chromosomes of pea plants and collected data on them
C. he was a monk that studied how bees mated with each other and what their offspring looked like
D. he bred animals for desired traits and collected data on the offspring
E. he did research about the DNA of pea plants and kept detailed records