which term refers to a phenomenon in which one gene produces multiple phenotypic effects (i.e. Alkaptonuria)?

a) codominance
b) pleiotropy
c) multiple alleles
d) polygenic inheritance


b) pleiotropy

Anatomy & Physiology

You might also like to view...

Membrane renewal vesicles are formed by

A) the endoplasmic reticulum. B) the Golgi apparatus. C) lysosomes. D) mitochondria. E) nucleoli.

Anatomy & Physiology

Decreased blood calcium level would result in increased secretion of which hormone?

A) parathyroid hormone B) calcitonin C) growth hormone D) thyroid stimulating hormone E) cortisol

Anatomy & Physiology

Which of the following is NOT a component of a negative feedback mechanism?

A. effector B. stabilizer C. control center D. receptor

Anatomy & Physiology

Which of the following statements regarding regulation of local blood flow is true?

A. Increased metabolic rate in a tissue increases capillary blood flow into the tissue. B. Blood flow through capillaries is continuous. C. Contraction of precapillary sphincters will increase blood flow to a capillary bed. D. Increased levels of carbon dioxide increase the contraction of precapillary sphincters. E. Tissue need for oxygen and amino acids will cause precapillary sphincters to contract.

Anatomy & Physiology