The Genetics of Angry Birds Laboratory Activity 3: The Genetics of Angry Birds

Meet Mom Beak is small and downward Recessive (bb) **Eyebrows** are thick Dominant (EE) Bags under eyes are absent Recessive (pp) Tail feather # = 3 Dominant (Tt) Tail feather length is short Dominant (Ll) Belly color is white Dominant (Ww) **Body color** is red Dominant (CC) Head feather # = 2 Dominant (Hh) **Skill** is attack Dominant (SS)

Meet Dad Beak is large and pointed Dominant (Bb) **Eyebrows** are absent Recessive (ee) Bags under eyes are present Dominant (Pp) Tail feather # = 2 Recessive (tt) Tail feather length is short Dominant (Ll) Belly color is same as body color Recessive (ww) **Body color** is blue Recessive (cc) Head feather # = 2 Dominant (Hh) **Skill** is multiply Recessive (ss)

Trait Mom Dad Baby Bird Genotype Baby Bird Phenotype Beak b b B b **Eyebrows** E E e e Bags Under Eyes Tail Feather # T t t t Tail Feather Length L l Belly Color W w w w **Body Color** C C c c Head Feather # H h **Skill** S S s s **These traits show incomplete dominance!**

Trait Mom Dad Baby Bird Genotype Baby Bird Phenotype Beak b b B b 50% Bb, 50% bb 50% big beak, pointed, 50% sm beak, downward **Eyebrows** E E e e 100% Ee 100% have eyebrows Bags Under Eyes 50% Bb, 50%bb 50% have bags, 50% do not Tail Feather # T t t t 50% Tt, 50% tt 50% have 3 tail feathers, 50% have 2 tail feathers Tail Feather Length L l 25% LL, 50% Ll, 25% ll 75% have short tail feathers, 25% have long tail feathers Belly Color W w w w 25% Ww, 75% ww 25% white belly, 75% same color as body

75% 2 head feathers, 25% (no head feathers?) Trait Mom Dad Baby Bird Genotype Baby Bird Phenotype **Body Color** C C c c 100% Cc 100% red birds Head Feather # H h 25%HH, 50%Hh, 25%hh 75% 2 head feathers, 25% (no head feathers?) **Skill** S S s s 100%Ss 100% attack skill **These traits show incomplete dominance!**

Bonus project: Draw the family tree of the birds and their possible babies!