A male expresses?
A. only the homozygous dominant alleles on his X chromosome.
B. only the homozygous recessive alleles on his X chromosome.
C. none of the alleles on his X chromosome.
D. both the dominant and recessive alleles on his X chromosome.
E. only the dominant alleles on his X chromosome.
Answer: D. both the dominant and recessive alleles on his X chromosome.
You might also like to view...
What are the two main atoms in lipids, and what type of bonds connect them?
A. Carbon and hydrogen, connected by ionic bonds B. Carbon and hydrogen, connected by hydrogen bonds C. Carbon and hydrogen, connected by non-polar covalent bonds D. Carbon and oxygen, connected by polar covalent bonds. E. Oxygen and hydrogen, connected by hydrogen bonds
What determines whether a person has type A, B, or O blood?
A. Antibodies in blood plasma that react against foreign red blood cells B. Antibody receptors on the surface of red blood cells C. Glycolipids that act as antigens on the surface of red blood cells D. Variant structures of hemoglobin within red blood cells E. The presence or absence of spectrin in plasma membranes of red blood cells
In what decade of life do the intervertebral disks start to degenerate and lose their elasticity?
A. second B. third C. fourth D. fifth E. sixth
Systemic lupus erythematosus is an autoimmune disease that affects the skeletal muscles only.
Answer the following statement true (T) or false (F)