Trait | Loci involved | Inheritance of trait |
---|---|---|
Unaffected individuals | ||
a | D1 + D3 | dominant, 30% penetrance |
b | D1 | dominant, 30% penetrance |
c | D4 | dominant, 15% penetrance |
d | D3 | dominant, 18% penetrance |
e | D2 | dominant, 19% penetrance |
f | D2 | dominant, 19% penetrance |
g | D4 | dominant, 15% penetrance |
h | D2 | dominant, 20% penetrance |
i | none | random, 30% probability |
j | none | random, 30% probability |
k | D2 + D4 | one disease allele at each locus, 30% penetrance |
l | D4 | recessive, 30% penetrance |
Affected individuals | ||
Phenotype 1 | D1 + D2 | have traits b, e, f, h |
Phenotype 2 | D2 + D3, D3 + D4 | c, d, e, f, g, h |
Phenotype 3 | D1 + D4, D2 + D3 | b, c, d, e, f, g, h |
a | D1 + D3 | dominant, 100% penetrance |
i | none | random, 30% probability |
j | none | random, 30% probability |
k | D2 + D4 | one disease allele at each locus, 30% penetrance |
l | D4 | recessive, 30% penetrance |