Examlex
Which of the following observations support the idea that the gene controlling maleness is located on the Y chromosome?
Ductus Venosus
A fetal blood vessel that diverts some blood flow away from the liver and directly into the inferior vena cava.
Fetal Liver
An organ in the fetus that plays a crucial role in blood cell production before birth.
Inferior Vena Cava
A large vein that carries deoxygenated blood from the lower half of the body back to the right atrium of the heart.
Umbilical Artery
The umbilical artery carries deoxygenated blood from the fetus to the placenta during pregnancy.
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