Mendel's Manuscript Discussing His Pea-Breeding Results Is Considered One of the Two

Multiple Choice

Mendel's manuscript discussing his pea-breeding results is considered one of the two most important scientific papers of the nineteenth century because he was the first to explain how

A) mutations produced the variety of alleles displayed by individuals of the same species.
B) traits are passed from one generation to the next.
C) meiosis controls the distribution of alleles to each gamete.
D) genes are arranged on chromosomes in the cell.