Women who wish to become pregnant should have sexual intercourse after a surge in: women who wish to become pregnant should have sexual intercourse after a surge in: luteinizing hormone (lh). progesterone. follicle-stimulating hormone (fsh). androgens.

Which must be kept in mind when determining if an explanation is correct? check all that apply.which must be kept in mind when determining if an explanation is correct? check all that apply.

Which phase of the cell cycle ensures that identical copies of the dna are made for daughter cells?

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.