Male-limited precocious puberty results from a rare autosomal allele (P) that is dominant over the allele for normal puberty (p) and is expressed only in males. A male and female that both went through normal puberty have two sons who both undergo precocious puberty. What is the genotype of the mother?
A. pp
B. Pp
C. PP
D. PP or Pp
E. Pp or pp
Ans: D. PP or Pp
Biology & Microbiology
You might also like to view...
Due to the infections of ________ by Claviceps purpurea human history has been altered
a. milk b. meat c. wine d. rye e. tomatoes
Biology & Microbiology
The concept that human and animal diseases are caused by microorganisms is called the
A. disease theory. B. causative theory. C. germ theory. D. cell theory.
Biology & Microbiology
The activation energy for a reaction
a. is less when enzymes are present. b. allows greater interaction of substrate with the active site. c. is needed to begin a reaction. d. puts the substrate at its transition state. e. is all of these.
Biology & Microbiology
Four of the five answers listed below are muscles. Select the exception
a. pectoralis b. patella c. gastrocnemius d. deltoid e. sartorius
Biology & Microbiology