Which is the correct order the proces responsible for te information of sedimentary rocks

Dna replication or repair occurs in a cell in all of thw following situations except when

At which point is crust neither created nor destroyed? island chain mid-ocean ridge divergent boundary transform boundary

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.