You perform a classic cell sorting experiment using cells from a developing xenopus embryo. one set of cells in your experiment are derived presumptive epidermal cells the other are presumptive neural plate cells. what do you expect the arrangement of the cells to be at the end of the experiment?

Acertain species of fish can have either long or short fins. the allele for long fins is dominant over the allele for short fins. a heterozygous, long-finned fish is crossed with a homozygous, short-finned fish. of the offspring, will have long fins and be , and will have short fins and be .

One important development during the 3rd trimester that will insulate the infant against changes in temperature is a. the deposition of fat under the skin b. the closing of the septum between c. the atria of the heart d. the beginnings of lung functioning e. the beginnings of light and sound sensing

The same agricultural practices are used in every country of the world. select the best answer from the choices provided t f