Apiece of potato was placed in a beaker of water. what best describes the movement of the molecules across a semipermeable membrane

Connection compare and contrast genetic engineering to the process of natural selection. select all statements that are true.

In general, are there any major differences that you can see? explain

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.