Which source is the least credible for scientific information? a) a scientific journal b) a survey of fellow classmates c) the results of past experiments d) a scientific discussion with colleagues

What are they five steps of cloning?

Has anyone taken the genetics unit test in connexus? not looking for answers, just a little bit what to expect and some with studying.

During crossing-over, a. genetic material is exchanged between nonsister chromatids, resulting in new combinations of alleles. b. nonsister chromatids from each homologous chromosome of a tetrad are exchanged, resulting in new combinations of alleles. c. one homologous chromosome of a tetrad is exchanged with another tetrad, resulting in new combinations of alleles. d. sister chromatids from each homologous chromosome of a tetrad are exchanged, resulting in new combinations of alleles. e. genetic material is exchanged between sister chromatids, resulting in new combinations of alleles.