Redundancy of myostatin and growth/differentiation factor 11 function

Table 1 Thoracic vertebral number from newborn mice

	Genotype
Mstn	+/+	+/+	+/+	+/-	+/-	+/-	-/-	-/-	-/-
Gdf11	+/+	+/-	-/-	+/+	+/-	-/-	+/+	+/-	-/-
Total number of thoracic vertebrae	Number of animals
13	10	-	-	10	-	-	10	1	-
14	-	10	-	-	10	-	-	9	-
15	-	-	-	-	-	-	-	-	-
16	-	-	-	-	-	-	-	-	-
17	-	-	-	-	-	-	-	-	-
17+18	-	-	1	-	-	-	-	-	-
18	-	-	8	-	-	7	-	-	-
18+19	-	-	-	-	-	1	-	-	-
19	-	-	1	-	-	2	-	-	1
19+20	-	-	-	-	-	-	-	-	1
20	-	-	-	-	-	-	-	-	11
20+21	-	-	-	-	-	-	-	-	4

Numbers of mice displaying a given number of vertebrae are shown. Some mice have left-right asymmetry of the most posterior thoracic vertebra with a rib on one side and a lumbar phenotype on the other. These are designated by a + sign between 2 numbers indicating the number of ribs for each side.

ISSN: 1471-213X