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Latest Sex-determination system Stories

2014-06-17 13:41:26

A UT Arlington research team says their study of genetic information from more than 4,000 beetle species has yielded a new theory about why some species lose their Y chromosome and others, such as humans, hang on to it.

First Sex Determining Genes Appeared In Mammals Some 180 Million Years Ago
2014-04-24 03:55:04

Man or woman? Male or female? In humans and other mammals, the difference between sexes depends on one single element of the genome: the Y chromosome.

2014-03-27 13:07:49

In previous research, UC Berkeley scientists Beatriz Vicoso, Ph.D., and Doris Bachtrog, Ph.D., determined that genes on the so-called "dot chromosome," or fourth chromosome, of the fruit fly Drosophilia melanogaster are X-linked in three other related fly species.

Y Chromosome Not Going To Disappear
2014-01-10 10:40:58

A new study in PLOS Genetics has found that the human race may not be losing the Y chromosome after all.

Genetics Of Male Gender Identity
2013-09-03 12:12:52

New research indicates that the development of gender in human males is tenuous and could point to a biological mechanism behind a whole spectrum of gender identities.

Chinese Alligator Genome Sequencing Complete
2013-08-10 05:29:43

Scientists from Zhejiang University in China and BGI Shenzhen have completed and analyzed the genomic sequence of the endangered Chinese alligator (Alligator sinensis) – the first published crocodilian genome.

Herd Fertility May Be Improved By Understanding The Gene-rich Y Chromosomes Of Bulls
2013-07-11 15:24:22

The Y chromosomes of cattle have more genes and are more active than the Y chromosomes of other primates, according to researchers.

A Look At The Early Evolution Of Sex Chromosomes
2012-08-06 18:24:30

Two new studies offer insight into sex chromosome evolution by focusing on papaya, a multimillion dollar crop plant with a sexual problem (as far as growers are concerned) and a complicated past.

2011-10-07 12:20:24

New findings of researchers from the University of Modena and Reggio Emilia (Mauro Mandrioli, Valentina Monti and Gian Carlo Manicardi) show that in aphids the two X chromosomes have a different inheritance.

2010-03-16 16:00:02

Male mice born with female sex chromosomes experience hypertension seen in postmenopausal women


Word of the Day
donative
  • A gift; a largess; a gratuity; a present; a dole.
The word 'donative' comes from a Latin word meaning 'to give'.
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