Post on 14-Aug-2015
Janire Ramos Azulay 4ºB
My family tree about curly hair
Explanation of the trait
● Curly hair is an example of intermediate inheritance which means that the phenotype of the heterozygous F1 generation is an intermediate trait ( wavy hair) between the 2 homozygous progenitors [with straight(aa) and curly(AA) hair].
● Curly (AA) X Straight (aa) Wavy hair (Aa)
Aa
Aa aa aa Aa
aa Aa Aa
AA aa Aa aa
AA Aa
Dad´s side Mum´s side
aa
aa Aa
Aa
aa aa Aa
aa
aa aa
Dominant (AA,Aa)
Recessive (aa)
Curly hair (AA) (black)
Straight hair (aa) (white)
Wavy hair (Aa) (green)
Me