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).
-Janice's genotype is ________.
A)Ww
B)WW
C)ww
D)WW or Ww

Question

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). 
-Janice's genotype is ________.
A)Ww 
B)WW 
C)ww 
D)WW or Ww

Quizplus · Accepted Answer

The genotype "WW or Ww" indicates that Janice could be either homozygous dominant or heterozygous for a trait, depending on the context provided.

Widow's Peak, a Pointed Hairline on the Forehead, Is a Genetic