The water flowing in a river moves at different speeds. The picture shows what happens to a river over time.
(135x20
river replaces
land
new land instead
of river
new land instead
of river
river replaces
land
Where does the river deposit sediment?
A. Where the water moves the most quickly
B. Where the water meanders the least

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.