Fewer than expected homozygous mutant embryos were identified during gestation, and none survived until weaning.

There is no evidence that embryos homozygous for draft-type sabino patterning are nonviable.

Fewer than expected homozygous mutant embryos were identified during gestation.

Few homozygous mutant embryos were identified during gestation.

Few homozygous mutant embryos were identified during gestation, and only one survived until weaning.

No homozygous mutant embryos were identified during gestation, and in a separate study none survived until weaning.

The homozygous mutant embryos identified during gestation had exencephaly.

No homozygous mutant embryos were identified during gestation, and thus none survived until weaning.

Few homozygous mutant embryos were identified during gestation, and thus fewer than expected survived until weaning.

A reduced number of homozygous mutant embryos were identified during gestation, and none survived until weaning.