A student pours exactly 100 g of water into an empty plastic bottle, caps the bottle, and sets it in the sun. Over
time, the water evaporates, condenses, and then drips
down the inside of the sealed bottle.
How much water is in the sealed bottle after five days?
A. Slightly more than 100 g
B. Exactly 100 g
C. Slightly less than 100 g
D. An unknown amount

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.