. Author manuscript; available in PMC: 2012 Mar 20.

Published in final edited form as: J Exp Zool B Mol Dev Evol. 2010 Dec 1;316B(2):146–161. doi: 10.1002/jez.b.21388

Table 2. Parental strain growth rate.

Results from ANOVA testing for differences in growth rate. Significant variation in growth rate was found at all ages, but only in the forelimb elements between six and ten weeks. Note that heritable variation in growth rate decreases over time.

0–3 weeks	σ²_p	σ²_st	H²_st	P_st	σ²_sttp	H²_sttp	P_sttp
Femur	0.001	5.3E-04	0.48	1.0E-09	5.7E-04	0.50	1.2E-10
Tibia	0.002	9.1E-04	0.57	1.3E-13	7.5E-04	0.52	1.8E-11
Humerus	0.001	6.6E-04	0.61	1.8E-15	4.1E-04	0.49	2.6E-10
Radius	0.002	0.001	0.67	1.0E-15	7.0E-04	0.53	5.9E-12
Multivariate test statistic				2.4E-20			5.3E-18

3–6 week	σ²_p	σ²_st	H²_st	P_st	σ²_sttp	H²_stwt	P_stwt
Femur	0.001	5.7E-04	0.15	5.6E-13	0.34	0.34	5.8E-06
Tibia	0.001	5.9E-04	0.41	1.4E-14	0.31	0.31	2.3E-05
Humerus	8.2E-04	4.1E-04	0.16	9.1E-11	0.30	0.30	4.0E-05
Radius	9.6E-04	5.4E-04	0.35	1.4E-13	0.43	0.43	2.1E-08
Multivariate test statistic				1.2E-13			1.2E-13

6–10 week	σ²_p	σ²_st	H²_st	P_st	σ²_sttp	H²_stwt	P_s_twt
Femur	4.8E-04	1.3E-04	0.28	1.1E-04		.	0.20
Tibia	3.2E-04	5.3E-05	0.16	0.01			0.15
Humerus	4.9E-04	1.7E-04	0.35	3.1E-06	5.4E-05	0.15	0.02
Radius	3.7E-04	8.6E-05	0.23	8.2E-04	4.3E-05	0.13	0.03
Multivariate test statistic				4.3E-06			2.9E-02