REALLY NEED HELP! ON A TIME LIMIT! 11. How can a mutation alter the sequence of DNA bases in a gene but not produce a noticeable change in the gene's...

REALLY NEED HELP! ON A TIME LIMIT!

11. How can a mutation alter the sequence of DNA bases in a gene but not produce a noticeable change in the gene's polypeptide product? How can a mutation alter the amino acid sequence of a polypeptide yet not alter the phenotype?

12. During development, how does a cell "know" what structures to become? (Hint: discuss positional cues and homeotic genes