Which is an application of dna technology in medicine? 1)mapping human genes for manipulatiin 2) determining specific traits that a baby will have before its conception? 3) producing diseas resistant humans4 determining hereditary diseases in individuals and families

The correct answer is option 4 "determining hereditary diseases in individuals and families".

Explanation:

Determining hereditary diseases in individuals and families is one application that DNA technology have in medicine that is already being used. Biotechnology companies such as "23andMe" offer DNA genetic tests and analysis that allow people to known beforehand if they are susceptible to develop hereditary diseases according to their genetic sequences and family history.

answer: accepted answer: aquatic animals use the oxygen dissolved in water to carry out respiration. since the amount of dissolved oxygen in water is low as compared to the amount of oxygen in the air, therefore the rate of breathing in aquatic animals is much faster than it is in terrestrial animals.

explanation: