by Michael Bowling
(Reprinted with permission from Michael's post to the ArabianPreservation Mailing List,
August 20, 2003)
"What is the difference between Phenotype and Genotype?"
is a question we are often asked as we discuss the pedigrees of
"Phenotype" comes from the same root as
"phenomenon." It is the sum of the visible, measurable
traits and characteristics ~ it is the individual, of whatever
species, standing in front of us.
the underlying DNA-sequence genetic makeup, apart from any results of good
or bad external forces.
Phenotype is the result
of genotype interacting through growth and development with the
The genotype is what
can be transmitted; the central problem of making selection decisions is
knowing how much of the observed phenotypic difference between individuals
is due to genetics, rather than environment.
THE CMK HERITAGE
2003): We thank Michael Bowling for his generous sharing of time and
knowledge with us. If you have the opportunity to be in the Sacramento ~
California area, please be sure to visit him and see for yourself these
beautiful CMK riding horses he writes about and is breeding at his
New Albion Stud. ~spm)