genetic marking?

[sunglow]

A few of my boas have the same marking in their pattern is this genetic and could it effect the price of the boa at all?
FATHER OF THE 2 BELOW
http://i8.photobucket.com/albums/a48/lukefjohnson/clyde2-1.jpg
ONE OF ITS BABYS FORM LAST YEAR
http://i8.photobucket.com/albums/a48/lukefjohnson/normff-1.jpg
ONE OF ITS BABYS FROM THIS YEAR
http://i8.photobucket.com/albums/a48/lukefjohnson/baby-2.jpg

[Randy_T.]

I wouldn't know if I would call it genetic. Possibly poly like pastels or circlebacks that seem to be passed on with irregularity.