A species of organism has 6 pairs of homologous chromosomes. Which of the following would be the total number of possible chromosomal combinations in a zygote of the species? A. 256 (2^8)
B. 4096 (2^12)
C. 128 (2^7)
D. 1024 (2^9)
E. 64 (2^6)

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.