What 2 molecules can be used to determine blood type?

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.

Do you think the gene eef1 alpha1 supports cell theory? explain your response.

What are the student's observations and inferences before he starts his investigation?