Explain how the various parts of the digestive system are specialised, and how this enables them to carry out their function. Evaluate the impact on the human body if the various components/system malfunctions.

Guinea pig coat color is determined by a single gene. the allele for black coat color is dominant to brown. in a cross between twoblack-haired guinea pigs, 20 offspring are born. if both parents were heterozygous, probability would predict that approximately howmany of the 20 offspring would have brown hair?