How long did it take for the bacteria to develop resistance to 1000X the concentration of antibiotic?

If a strand of dna has 35% thymine. what is the percentage of cytosine, adenine, guanine?

What is the genotype of the male circled in pink? ο χου lo xay xaya done answer was xay

Which of the following factors would not contribute to allopatric speciation? a) a population becomes geographically isolated from the parent population. b) the separated population is small, and genetic drift occurs. c) the isolated population is exposed to different selection pressures than the ancestral population. d) different mutations begin to distinguish the gene pools of the separated populations. e) gene flow between the two populations is extensive.