Application of reproduction and genetics

Question 1

why are introns more useful for genetic fingerprinting than exons?

Answer 1

introns are non coding regions of DNA and extrons are coding regions of DNA. More unique to individual
STRs varies

Question 2

name the type of enzyme used to join the cut fragment into the plasmid

Answer 2

ligase

Question 3

what is the enzyme used in the PCR that is also used in interphase and in what stage?

Answer 3

polymerase, replication

Question 4

explain the advantages of farmers having crops resistant to herbicides

Answer 4

does not kill the crops but will kill other plants/weeds
reduces the competition in the field
increasing the yield

Question 5

why are plasmids injected into eggs rather than the actual organism?

Answer 5

if injected into egg, gene gets into all cells
so gets to the cells that make desired thing