I need help please! 1. In guinea pigs, long hair is dominant to short hair. A pure bred short haired guinea pig is bred with a hybrid long haired. What percent of the babies will be long haired? (use H)

According to the rna world hypothesis, rna acted as the genetic material and catalyzed reactions in ancient cells. what conclusion can you draw from this?               a.  this implies that dna and proteins aren't essential in cells today.    b.  this implies that rna can catalyze any chemical reaction that enzymes catalyze.    c.  this implies that if a cell has a problem with its dna, its rna can compensate for the damaged dna.    d.  this implies that dna and proteins evolved after rna.