What did Mendel conclude after examining several traits of pea plants? A. While only one form of the trait is visible in F1, in F2 the missing trait never shows itself
B. While only one form of the trait is visible in F1, in F2 the missing trait sometimes shows itself
C. While only one form of the trait is visible in F1, in F2 the missing trait always shows itself
D. While only one form of the trait is visible in F1, in F2 the missing trait shows itself half of the time