>>>> Now, there's an interesting genetic question. I always learned that
when it comes to genetics, A + B always = A or B, not a mix of the two (ie
if you breed a horse with a big head with one with a small head, you will
get either a big or a small head, not a medium head)


In the example of the head, well, the head isn't really just one entity,
even though we see it that way.  You have the size/shape of the skull, the
length/shape of the jaw, the diameter of the muzzle, etc. - several bones
and joints to combine and recombine in many combinations.  Some breeds of
horses typically have "typey" heads - QH usually have strong, square
jawlines, where Arab fads have leaned more and more to the teacup muzzles.
I've seen crosses where I could see elements of both parents...and honestly,
I can't ever remember seeing an Arab cross that had a really tiny muzzle.

Think of it like humans - my husband's family is tall all around - his mom
was 5'11" and his dad 6'1", and his "little" brother is 6'5".  Cary is 6'2".
My family is mostly very short with only a couple of exceptions - my mom is
5'0" and my dad was 5'4".  I'm 5'0".   Cary and I have one daughter, who's
right on the national average for women.  She's 5'4", neither tall nor
short.

Even eye colors will "blend" somewhat in color.  Often you see one blue-eyed
parent with a brown-eyed spouse and they will produce a green or hazel-eyed
child.  Cary has light-brown/hazel eyes from such a marriage.

I have my father's chin but my mother's jawline, so I didn't literally get
my head from either one of them.


Karen Thomas
[EMAIL PROTECTED]





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