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Table 1 Snake samples used for this study

From: Sex chromosome evolution in snakes inferred from divergence patterns of two gametologous genes and chromosome distribution of sex chromosome-linked repetitive sequences

Infraoder

Superfamily

Family

Species

Abbrev.

2n a

No. of used animals

Scolecophidia

 

Typhlopidae

Typhlops sp.

TYP

30 (M: 16, m: 14)b

1 unknow sex

Indotyphlops braminus

IBR

42 (M: 21, m: 21)c

1 female

Alethinophidia

Henophidia

Tropidophiidae

Tropidophis haetianus haetianus

THA

un

1 male

Boidae

Boa constrictor

BCO

36 (M: 16, m: 20)

1 male, 1 female

Cylindrophiidae

Cylindrophis ruffus

CRU

un

1 unknow sex

Xenopeltidae

Xenopeltis unicolor

XUN

36 (M: 16, m: 20)d

1 male

Pythonidae

Python bivittatus

PBI

36 (M: 16, m: 20)

1 male, 1 female

Python molurus

PMO

36 (M: 16, m: 20)

1 male, 1 female

Caenophidia

Acrochordidae

Acrochordus arafurae

AAR

36e

1 male, 1 female

Acrochordus granulatus

AGR

36 (M: 16, m: 20)f

1 male

Viperidae

Protobothrops flavoviridis

PFL

36 (M: 16, m: 20)

2 males, 2 females

Gloydius blomhoffii

GBL

36 (M: 16, m: 20)

1 male, 1 female

Bitis arietans arietans

BAR

36 (M: 16, m: 20)

1 male, 1 female

Naja kaouthia

NKA

38 (M: 16, m: 22)g

1 male, 1 female

Elapidae

Elaphe quadrivirgata

EQU

36 (M: 16, m: 20)

1 male, 2 females, embryos

Colubridae

Lycodon semicarinatum

LSE

34 (M: 16, m: 18)h

1 male, 1 female

Rhabdophis tigrinus tigrinus

RTI

40 (M: 16, m: 24)

1 male, 1 female

  1. aThe numbers of macrochromosomes (M) and microchromosomes (m) are shown in parentheses. un, the karyotypes have not been identified yet.
  2. bThe karyotype was identified in our lab [Matsubara et al., unpublished data]
  3. cThe karyotypic information is derived from Ota et al. [66]
  4. dThe karyotypic information is derived from Singh et al. [30], and Cole and Dowling [67]
  5. eThe karyotypic information is derived from CHROMOREP [68]
  6. fThe karyotypic information is derived from Sharma and Nakhasi [52, 53]
  7. gThe karyotypic information is derived from Singh [8] and Ray-Chaudhuri et al. [69]
  8. hThe karyotypic information is derived from Toriba [70]