Rocks with matching magnetic polarity exist on either side of a mid ocean ridge. this can be used as evidence for what?

Read each description below and determine to which stage of sleep each pertains. then click and drag each box into the appropriate category below.

Select the word from the list that best fits the definition the temperature to which air must cool to be saturated

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.