Pain that occurs with a fever, nausea, and vomiting or loss of appetite may be a sign of inflammation or infection of the gallbladder (acute cholecystitis). Symptoms that may mean that a gallstone is blocking the common bile duct include: 1  Yellowing of the skin and the white part of the eyes (jaundice).  Dark urine.
Mendel concluded that biological inheritance is determined by factors that are passed from one generation to the next. Mendel also concluded that the principle of dominance states that some alleles are dominant and others are recessive.
A) The male determines sex because the sperm can fertilize either a female egg or a male egg. B) The female gamete determines sex because only the female gamete provides cytoplasm to the zygote. C) The male gamete determines sex because each male gamete can contribute either an X or a Y chromosome. D) The chromosome contribution from both parents determines sex because the offspring uses all the parents' chromosomes.