A plant height in Maize is control by 3 pair of polygene. Two varieties of maize averaging 120 and 90 inches in height, respectively, are crossed. The F1 progeny is quite uniform averaging 105 inches in height. What will be height phenotype of F2 progenies ?

#Question id: 11703

#Unit 7. System Physiology – Animal

A female athlete who took testosterone-like steroids for several months stopped having normal menstrual cycles. What is the best explanation for this observation?

#Question id: 11704

#Unit 7. System Physiology – Animal

Which of the following would be expected in a patient with a genetic deficiency in 11β- hydroxysteroid dehydrogenase type 2?

#Question id: 11779

#Unit 7. System Physiology – Animal

Which of the following decreases the resistance in the arteries leading to the sinuses of the penis?

#Question id: 11780

#Unit 7. System Physiology – Animal

A patient has a goiter associated with high plasma levels of both thyrotropin-releasing hormone (TRH) and thyroid-stimulating hormone (TSH). Her heart rate is elevated. This patient most likely has which of the following?

#Question id: 11781

#Unit 7. System Physiology – Animal

A 40-year-old woman comes to the emergency room with a fracture in the neck of the femur. Radiographs reveal generalized demineralization of the bone in the area. Her plasma calcium ion concentration is significantly greater than normal: 12.2 mg/dL. Which of the following conditions is consistent with this presentation?

#Question id: 11782

#Unit 7. System Physiology – Animal

Which of the following pairs of hormones and the corresponding action is incorrect?