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Posted by BrandonNixon on May 14, 2003 at 18:44:39:
In Reply to: hypo question posted by Paul Hollander on May 13, 2003 at 12:31:42:
:Right on. An "f3" could easily be a heterozygous salmon, which is genetically equivalent to an F1.
To be an F3 Salmon the parents would have both needed to be proved out as Super Salmons ie. F2 Salmons.
:And to finish the triad, a recessive gene produces the mutant appearance only when homozygous. A heterozygous individual looks normal.
If you think about it this way the "het" is an F1 Salmonad the Homozygous form would be a Super Salmon.
:So "heterozygous" and "homozygous" refer to whether a particular individual has one or two copies of the mutant gene.