The heritability of a trait based on twin studies can be
estimated as 2(cMZ-CDZ), where cMZ is the
for MZ twins and cDZ is the
for DZ twins. For migraine headaches,
the concordance for MZ twins equals 0.33 and the
concordance for DZ twins equals 0.14.
concordance
concordance
What is the estimated heritability for migraine?
O 0.19
O 0.38
O 0.05
O 0.52