Parthenogenesis occurs across a variety of vertebrate taxa. Within squamate reptiles (lizards
and snakes), a group for which the largest number of cases has been documented, both …

Despite their long history with the basal split dating back to the Eocene, all species of
monitor lizards (family Varanidae) studied so far share the same chromosome number of 2 …

Anguimorphan lizards are a morphologically variable group of squamate reptiles with a wide
geographical distribution. In spite of their importance, they have been cytogenetically …

Distribution of sex-determining mechanisms across Australian agamids shows no clear
phylogenetic segregation, suggesting multiple transitions between temperature-dependent …

The erythrocyte presents morphologic, cytochemical, and quantitative adaptations as it
progresses through its evolutionary continuum. This text is a comprehensive exploration of …

Cryopreservation of sperm from tetraploid organisms (the possession of four chromosome
sets) is essentially unexplored. This is the first cryopreservation study to address sperm from …

A brief review is presented for the parthenogenetic blindsnake, Ramphotyphlops braminus.
Typhlops khoratensis is shown to be a synonym. A synopsis of morphological and …

The use of protein electrophoretic data for determining the relationships among species or
populations is widespread and generally accepted. However, many confounding factors …

Geckos exhibit derived karyotypes without a clear distinction between macrochromosomes
and microchromosomes and intriguing diversity in sex determination mechanisms. We …

The advanced snakes (Caenophidia), the important amniote lineage encompassing more
than 3,000 living species, possess highly conserved female heterogamety across all …