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• Widow´s peak is a distinct point in the hairline in the centre of
the forehead. People who do not have a widow's peak have a hairline that
runs straight across.
• Having widow’s peak is dominant over don’t having it although there is no
real evidence of this.
Info from:
http://teach.genetics.utah.edu/content/heredity/docs/traitsreference.pdf
AaAa aa
aa Aa
aa Aa
aa
ME
(Aa)
Aa aa
aa Aa
People
affected
Straight
hair
DOMINANT AUTOSOMAL
HEREDITY

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Widows peak hpb

  • 1.
  • 2. • Widow´s peak is a distinct point in the hairline in the centre of the forehead. People who do not have a widow's peak have a hairline that runs straight across. • Having widow’s peak is dominant over don’t having it although there is no real evidence of this. Info from: http://teach.genetics.utah.edu/content/heredity/docs/traitsreference.pdf
  • 3. AaAa aa aa Aa aa Aa aa ME (Aa) Aa aa aa Aa People affected Straight hair DOMINANT AUTOSOMAL HEREDITY