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Table 4 The MLEs of the model parameters and the QTL position derived from 200 simulation replicates assuming no imprinting. The square root of the mean square errors (RMSEs) of the MLEs are given in parentheses.

From: Functional mapping imprinted quantitative trait loci underlying developmental characteristics

   

Q M Q P

Q M q P

q M Q P

q M q P

Residual

H 2

n

Position (cM)

α 1

36.5

β 1

6.5

γ 1

0.7

α 2

35

β 2

6

γ 2

0.7

α 3

35

β 3

6

γ 3

0.7

α 4

33.5

β 4

5.5

γ 4

0.7

σ 2

ρ

0.8

0.1

200

45.24 (4.351)

36.74 (0.397)

6.53 (0.096)

0.698 (0.006)

35.09 (0.765)

5.99 (0.188)

0.70 (0.013)

35.35 (0.855)

6.09 (0.204)

0.70 (0.014)

33.71 (0.379)

5.54 (0.090)

0.70 (0.007)

0.004 (0.0009)

0.80 (0.02)

0.1

500

46.01 (2.196)

36.74 (0.327)

6.54 (0.070)

0.70 (0.004)

35.17 (0.567)

6.00 (0.138)

0.70 (0.012)

35.28 (0.640)

6.07 (0.160)

0.70 (0.012)

33.69 (0.273)

5.53 (0.058)

0.70 (0.004)

0.004 (0.0004)

0.80 (0.01)

0.4

200

46.07 (1.731)

36.56 (0.137)

6.51 (0.037)

0.70 (0.002)

34.99 (0.304)

6.00 (0.076)

0.70 (0.005)

35.11 (0318)

6.02 (0.076)

0.70 (0.005)

33.55 (0.127)

5.51 (0.033)

0.70 (0.003)

0.001 (0.0005)

0.80 (0.011)

0.4

500

46.17 (1.07)

36.56 (0.106)

6.51 (0.026)

0.70 (0.002)

35.03 (0.208)

6.00 (0.053)

0.70 (0.004)

35.07 (0.222)

6.01 (0.056)

0.70 (0.004)

33.54 (0.088)

5.51 (0.021)

0.70 (0.002)

0.0007 (0.0001)

0.80 (0.005)

  1. The location of the simulated QTL is described by the map distances (in cM) from the first marker of the linkage group (100 cM long). The hypothesized σ2 value is 0.0041 for H2 = 0.10 and 0.0007 for H2 = 0.4.