Which of the following is NOT true regarding crossing-over? A It allows for genetic variation Btakes place during Prophase С It can occur during mitosis D It only occurs during the formation of gametes .

14) whenever diploid populations are in hardy-weinberg equilibrium at a particular locus a) the allele's frequency should not change from one generation to the next, but its representation in homozygous and heterozygous genotypes may change. b) natural selection, gene flow, and genetic drift are acting equally to change an allele's frequency. c) this means that, at this locus, two alleles are present in equal proportions. d) the population itself is not evolving, but individuals within the population may be evolving.

Asample of soil from a c horizon is light brown in color and has a high content of a mineral called feldspar. which of the following statements is most likely true

If there is another new infectious disease somewhere in the world, what do you think canadian officials should do