The Transcaucasian mole vole (''Bramus lutescens'') is a species of

rodent Rodents (from Latin , 'to gnaw') are mammals of the Order (biology), order Rodentia ( ), which are characterized by a single pair of continuously growing incisors in each of the upper and Mandible, lower jaws. About 40% of all mammal specie ...

in the family

Cricetidae The Cricetidae are a family of rodents in the large and complex superfamily Muroidea. It includes true hamsters, voles, lemmings, muskrats, and New World rats and mice. At over 870 species, it is either the largest or second-largest family ...

. It is found in

Armenia Armenia, officially the Republic of Armenia, is a landlocked country in the Armenian Highlands of West Asia. It is a part of the Caucasus region and is bordered by Turkey to the west, Georgia (country), Georgia to the north and Azerbaijan to ...

Azerbaijan Azerbaijan, officially the Republic of Azerbaijan, is a Boundaries between the continents, transcontinental and landlocked country at the boundary of West Asia and Eastern Europe. It is a part of the South Caucasus region and is bounded by ...

Georgia Georgia most commonly refers to: * Georgia (country), a country in the South Caucasus * Georgia (U.S. state), a state in the southeastern United States Georgia may also refer to: People and fictional characters * Georgia (name), a list of pe ...

Iran Iran, officially the Islamic Republic of Iran (IRI) and also known as Persia, is a country in West Asia. It borders Iraq to the west, Turkey, Azerbaijan, and Armenia to the northwest, the Caspian Sea to the north, Turkmenistan to the nort ...

, and

Turkey Turkey, officially the Republic of Türkiye, is a country mainly located in Anatolia in West Asia, with a relatively small part called East Thrace in Southeast Europe. It borders the Black Sea to the north; Georgia (country), Georgia, Armen ...

Reproduction

Transcaucasian mole vole, they reproduce during the months of April to October, breeding in march-April and October-November, in which the females would gestate their young for 26 days( almost a month). After birth the pups of the Transcaucasian mole vole, they would stay with their mother for about two months. During the pups 1-4 week of their life it would be just feeding with their mother, and developing their motor functions and being able to be weaned off milk and be able to eat solid food. The final and fifth week the pups would be able to be weaned off the milk and eat vegetables by themselves and be able to walk by themselves without difficulty.

Chromosomes

The

karyotype A karyotype is the general appearance of the complete set of chromosomes in the cells of a species or in an individual organism, mainly including their sizes, numbers, and shapes. Karyotyping is the process by which a karyotype is discerned by de ...

has a low, odd,

diploid Ploidy () is the number of complete sets of chromosomes in a cell, and hence the number of possible alleles for autosomal and pseudoautosomal genes. Here ''sets of chromosomes'' refers to the number of maternal and paternal chromosome copies, ...

number, 2n = 17,X. Transcaucasian mole voles have no ''SRY'' gene or

Y chromosome The Y chromosome is one of two sex chromosomes in therian mammals and other organisms. Along with the X chromosome, it is part of the XY sex-determination system, in which the Y is the sex-determining chromosome because the presence of the ...

; both sexes have an XO sex chromosome set, a state possibly derived from an ancestral population in which males had an XX sex chromosome set, like '' E. tancrei''. Their sex-determination method remains unknown.

References

# Rodents of Asia Vole, Transcaucasian Mole Mammals of Azerbaijan Mole Vole, Transcaucasian South Caucasus Mammals described in 1897 Taxa named by Oldfield Thomas Least concern biota of Asia Taxonomy articles created by Polbot {{Arvicolinae-stub

Reproduction

Chromosomes

See also

References