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Table 1 ERE1+ and ERE1- genotyping at the myostatin locus

From: Genome-wide evolutionary and functional analysis of the Equine Repetitive Element 1: an insertion in the myostatin promoter affects gene expression

 

Number of alleles (%)

Homozygous individuals (%)

Heterozygous individuals (%)

 

Number of individuals

ERE1+

ERE1-

ERE1+/+

ERE1−/−

ERE1+/−

A

Quarter Horse

20

23 (57.5)

17 (42.5)

9 (45)

6 (30)

5 (25)

Andalusian

20

3 (7.5)

37 (92.5)

0

17 (85)

3 (15)

Lipizzaner

23

0

46 (100)

0

23 (100)

0

Norwegian Fjord

20

0

40 (100)

0

20 (100)

0

Icelandic Pony

19

0

38 (100)

0

19 (100)

0

Przewalski’s Horse

20

0

40 (100)

0

20 (100)

0

B

Show Jumpers

30

1 (1.7)

59 (98.3)

0

29 (96.7)

1 (3.3)

Italian Trotters

90

0

180 (100)

0

90 (100)

0

Unselected Italian Thoroughbreds

75

65 (43.3)

85 (56.7)

18 (24.0)

28 (37.3)

29 (38.7)

Elite Italian Thoroughbreds

117

135 (57.7)

99 (42.3)

33 (28.2)

15 (12.8)

69 (59.0)

  1. (A) Analysis of individuals from five breeds of the domestic horse and from Przewalski’s horse. (B) Analysis of individuals bred for different sport aptitude.