Rosa drew a diagram to compare substitution mutations and insertion mutations. Which label belongs in the area marked "Y"?

may change the type of amino acid
decreases the number of bases in the sequence
never changes the type of amino acid
increases the number of bases in the sequenc

c.) polymerase chain reaction

- "unlike the original dna fingerprinting method, dna profiling does not use restriction enzymes to cut the dna. instead it uses the polymerase chain reaction (pcr)? to produce many copies of specific str sequences. pcr is an automated procedure that generates lots of copies of a specific sequence of dna."

the correct answer is option b

behavioral response need communication and thus co-ordination at several levels such as interaction among cells, organ system and the entire organism.

behavioral response produces both internal and environmental stimulus.

so whats the answer