Which of the following statements is true? 1 poir
a. Prokaryotes divide by mitosis.
O b. Eukaryotes have circular chromosomes.
c. Animal cells form new cell walls when they divide.
d. Plant cells and animal cells have different strategies for cytokinesis.
1 poin

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.