Re: RC: x factor/ heart scores

[CMKSAGEHIL@aol.com]

In a message dated 3/5/00 8:57:03 AM Pacific Standard Time, 
barfield@PRIMENET.COM writes:

<< It is also my understanding  that the heart scores are passed on by the 
mare. >>

Yes, that's why this particular trait is called an "x" factor--because it is 
apparently on the X chromosome.  Hence a stallion can pass it to his 
daughters, but not to his sons.

Heidi