Please read the following scenario to answer the following questions.
Widow's peak,a pointed hairline on the forehead,is a genetic trait caused by a dominant allele.It can be traced back through a family's history using pedigree analysis.
The pedigree shown here is of three generations of a family.Notice that some individuals (shown in gray)have a widow's peak (W = dominant allele and w = recessive allele).

-Mary has the genotype ________.
A)WW
B)ww
C)Ww
D)More information is needed.

Question

Please read the following scenario to answer the following questions.
Widow's peak,a pointed hairline on the forehead,is a genetic trait caused by a dominant allele.It can be traced back through a family's history using pedigree analysis.
The pedigree shown here is of three generations of a family.Notice that some individuals (shown in gray)have a widow's peak (W = dominant allele and w = recessive allele).
 
-Mary has the genotype ________.
A)WW 
B)ww 
C)Ww 
D)More information is needed.

Quizplus · Accepted Answer

Mary has the genotype Ww because she has brown eyes, which is a dominant trait.

Please Read the Following Scenario to Answer the Following Questions