Which of these is true about dna, proteins, and the expression of genetic traits?
a.
enzymes break down dna, releasing amino acids that join to form proteins and express various traits.
b.
genes in dna code for the production of proteins, which cause traits to be expressed.
c.
dna is mutated by a chemical passed from parents to offspring to form proteins that express traits.
d.
proteins bind to dna, which activates them and forces them to express certain traits.