Dominance of Mutant Allele |
Autosomal |
Sex-Linked XX-XY(O) |
Sex-Linked ZZ-ZW |
Recessive Phenotype |
- The F1 and
F1 reciprocal crosses
give the same results.
- The F1 progeny
(male and female) are all phenotypically wildtype.
|
- The results of the reciprocal crosses are different.
- F1 males have the phenotype of their mothers.
- F1 females are phenotypically
wildtype
|
- The results of the reciprocal crosses are different.
- F1 females
have the phenotype of their fathers.
- F1 males are phenotypically
wildtype
|
Dominant
Phenotype |
- The F1 and
F1 reciprocal crosses give the same result.
- The F1 progenies are all phenotypically
mutant.
|
- The results of the reciprocal crosses are different.
- F1 males have the phenotype of their mothers.
- F1 females are phenotypically
mutant.
|
- The results of the reciprocal crosses are different.
- F1 females
have the phenotype of their fathers.
- F1 males are phenotypically
mutant.
|
Incompletely Dominant Phenotype |
- The F1 and
F1 reciprocal crosses
give the same results.
- The F1 progeny (male and female) have
a phenotype that is intermediate to the parental phenotypes.
|
- The results of the reciprocal crosses are different.
- F1 males have the phenotype of their mothers.
- F1 females have a phenotype that is
intermediate to the parental phenotypes.
|
- The results of the reciprocal crosses are different.
- F1 males have a phenotype that is
intermediate to the parental phenotypes.
- F1 females have the phenotype of their
fathers.
|
Overdominant Phenotype |
- The F1 and
F1 reciprocal crosses
give the same results.
- The F1 progeny (male and female) show
a phenotype that is more extreme than either of the parental
phenotypes.
|
- The results of the reciprocal crosses are different.
- F1 males have the phenotype of their mothers.
- F1 females have a phenotype that is more extreme than either of the parental phenotypes.
|
- The results of the reciprocal crosses are different.
- F1 males have a phenotype that is more
extreme than either of the parental phenotypes.
- F1 females have the phenotype of their
fathers.
|
Codominant Phenotype |
- The F1 and
F1 reciprocal crosses
give the same results.
- The F1 progeny
(male and female) show both parental phenotypes, simultaneously.
|
- The results of the reciprocal crosses are different.
- F1 males have the phenotype of their mothers.
- F1 females show both parental phenotypes,
simultaneously.
|
- The results of the reciprocal crosses are different.
- F1 males show both parental phenotypes,
simultaneously.
- F1 females have the phenotype of their
fathers.
|