This family trait that skips a generation comes from an autosomal recessive trait or as Mendel called as hidden non-dominant trait. Offsprings have a dominant and recessive trait which comes from both parents. Recessive trait appears only when two offspring with same recessive trait blends. This happens in self-fertilization. In the human population, marriage is prohibited between offsprings, thus having recessive trait is only imminent when cousins are married.
Answer:
Excess nutrients from fertilizer runoff
Explanation:
The nutrients can create bacteria for the algae
Penicillin was an accidental discovery I believe
A. It’s the thing you change and you’ll measure the E. coli growth