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

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