1. INCOMPLETE DOMINANCE

2. Incomplete Dominance: The heterozygous genotype produces a
phenoytype that falls in between the dominant trait and the
recessive trait.
e.g. Four ‘O’ clock plant
Incomplete Dominance

3. (1822-1884)
Gregor Johann Mendel
Phenotypic ratio:- 1:2:1
Genotypic ratio :- 1:2:1

4. Fig. 13.7, Incomplete dominance in chickens

6. The golden palomino horse
is a cross between a white
and a brown horse. This is
another example of
incomplete dominance: the
colors appear to blend in
the horse’s hairs.

7. Phenotypic & genotypic ratio:- 1:2:1

8. X
Purebred brown X purebred albino :-

9. This is a hypomelanistic cornsnake (tannish-orange)

10. sperm
eggs
mother
father
C2C1
C2C1
C2C1 C2
C1
C1C1 C1C2
C1C2 C2C2
In humans, a gene affecting
hair texture (curly, wavy,
straight) shows incomplete
dominance.