what feature in a cell contains the dna sequence to make a specific proteins?
a)chromosone
b)gene
c)genome
d)nucleic acid

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.

2. which is the last step in the scientific method?

Natural selection changes allele frequencies because some survive and reproduce more successfully than others.