When a breed population carries a high frequency for a known detrimental allele at a specific genetic locus, it may be possible to crossbreed with an animal free of the detrimental allele and
then backcross to the original lineage, monitoring the presence of the desired allele using genetic testing.
Not exact matches
Progeny from the cross would
then be crossed with the high - yielding parent to ensure that the progeny were most like the high - yielding parent, (
backcrossing).
With molecular
backcrossing, Mackill, Ronald and their many colleagues were
then able to breed this overexpressed gene into rice already popular in India, such as the legendary Swarna variety.
Then repeated
backcrossing is undertaken to the elite line to fully recover this genetic background.
Odds are that some creative individual either introduced the gene and
then fixed breed type by
backcrossing or here was an «oops» that someone decided to capitalize on.