Explain the importance of nitrogen-fixing bacteria?​

Plz genetic engineering can be applied to many fields including medicine and agriculture. which of the following is a medical application of genetic engineering? a. giving crop plants recombinant dna so that they would be resistant to herbicides. b. examining a persons pedigree to determine whether they can carry a gene for a genetic disease. c. analyzing a persons dna to see how closely they are related to another person. d. certain genes into bacteria so that they will produce a needed medicine.

If this person had son, what, sex chromosome did they give their son? a. x b. y c. neither d. we need more information to know for sure

What monomers build nucleic acid? how many are there?