What is the basic unit of classification of living beings

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

The cluster of developing cells from conception until birth is called an

Which best describes a benefit of using dna technology in medicine? a) medicine can be produced in mass quantities. b) medicine can be distributed at a reduced cost. c) medicines have fewer side effects. d) medicines are resistant to antibiotics.