The “somatic cell mutant frequencies at the hprt locus of the X-chromosome”
in healthy children
Usage
data(mutantfreq)
Arguments
Format
A data frame with 49 observations on the following 5 variables.
Donor
the donor identifier;
a factor
Sex
the sex of the child;
a factor with levels F (females) or M (males)
Age
the age of the child in completed years;
a numeric vector
Ceff
the mean unselected cloning efficiency;
a numeric vector
Mfreq
the mutant frequencies \(\times 10^{-6}\);
a numeric vector
Details
In the original paper,
the children are sometimes referred to as belonging to Group II (Ages 0 to 5),
Group III (Ages 6 to 11) or Group IV (Ages 12 to 17).
(Group I refers to cord data referenced to another article.)
Age may be treated as categorical with these categories.