The ellele for tall pea plants is dominant over the allele for short pea plants. what must be true for a cross between a tall plant and a short plant to produce any short plants ?

According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes