If human genomes are 99.9% similar explain how gel electrophoresis can be used to identify individuals and rule out suspects. Use the diagram on the left to support your answer.

Which of the following statements is true? a. the main cause for speciation is an increase in gene flow. b. organisms that reproduce asexually are not considered part of a species. c. on a tree of life diagram, speciation is shown by the merging of two different lineages. d.the size of the geographic area inhabited by a population can cause speciation.

The first amino acid of a new polypeptide chain is

Which of the following produces carbon dioxide? a. plants b. animals c. decomposers d. all of the above