id	keyword
ct-9487	development
ct-9487	cell
ct-9487	embryo
ct-9487	sperm
ct-9487	oocyte
ct-9487	histone
ct-9487	dna
ct-9487	gene
ct-9487	methylation
ct-9487	changes
ct-9487	reprod
ct-9487	chromatin
ct-9487	effects
ct-9487	maturation
ct-9487	environmental
ct-9487	modifications
ct-9487	epigenome
ct-9487	expression
ct-9487	metabolic
ct-9487	oviduct
ct-9487	affect