Essentially, this means that these genes are either active ( i.e. are expressed) or inactive, depending on the gender of the parent who transmitted these genes to their offspring.
(i.e.; are expressed; ) (the parent; transmitted; these genes; to their offspring) (this; means; that these genes are either active ( i.e. are expressed) or inactive, depending on the gender of the parent) Context(this means,List([13, 23))):(these genes; are; either active ( i.e. are expressed) or inactive)
this means,List([13, 23))
i.e. the parent this these genes
are expressed transmitted means are
these genes to their offspring
that these genes are either active ( i.e. are expressed) or inactive, depending on the gender of the parent
either active ( i.e. are expressed) or inactive