All are true about blood coagulation except?

• Ataxia telangiectasiais an autosomal recessive condition. • Patients have increased sensitivity to x-ray-induced chromosome abnormalities. • Characterized by an ataxic-dyskinetic syndrome beginning in early childhood, caused by neuronal degeneration predominantly in the cerebellum, the subsequent development of telangiectasias in the conjunctiva and skin, and immunodeficiency. • The nuclei of cells in many organs (e.g., Schwann cells in dorsal root ganglia and peripheral nerves, endothelial cells as well as pituicytes) show a bizarre enlargement of the cell nucleus and are referred to as amphicytes. • The lymph nodes, thymus, and gonads are hypoplastic. • Clinical features include recurrent sinopulmonary infections and unsteadiness in walking. • Increased risk of development of lymphoid malignant disease (T-cell leukemia and lymphoma) All other options are autosomal dominant conditions.