News tagged with sex change
Why Don’t More Animals Change Their Sex
Biology /
Feb 02, 2009 |
5 / 5 (3) |
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(PhysOrg.com) -- Most animals, like humans, have separate sexes — they are born, live out their lives and reproduce as one sex or the other. However, some animals live as one sex in part of their lifetime and then switch ...
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Fungi can tell us about the origin of sex chromosomes
Biology /
Mar 17, 2008 |
4.3 / 5 (3) |
0
Fungi do not have sexes, just so-called mating types. A new study being published today in the prestigious journal PLoS shows that there are great similarities between the parts of DNA that determine the sex of plants and an ...
Fish with temperature-dependent sex determination face global warming
Biology /
Jul 30, 2008 |
4.6 / 5 (8) |
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In vertebrates with separate sexes, sex determination can be genotypic (GSD) or temperature-dependent (TSD). TSD is very common in reptiles, where the ambient temperature during sensitive periods of early development irreversibly ...
Researchers to perform sex change operation on papaya
Nov 02, 2009 |
3 / 5 (2) |
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The complicated sex life of the papaya is about to get even more interesting, thanks to a $3.1 million grant from the National Science Foundation. The grant will fund basic research on the papaya sex chromosomes ...
Sex in the morning or the evening?
Biology /
Jun 26, 2007 |
3.7 / 5 (10) |
0
Most research on sexual conflict ignores the fact that the fitness pay-offs of mating may change drastically over a short timescale, for example over a single day.
A gene for sexual switching in melons provides clues to the evolution of sex
Biology /
Aug 07, 2008 |
3.8 / 5 (5) |
1
A newly discovered function for a hormone in melons suggests it plays a role in how sexual systems evolve in plants. The study, conducted by French and American scientists, appears in the latest issue of the journal Science.
Analysis of Polling Data Finds Growing Support for Same-Sex Marriage
Other Sciences / Social Sciences
Jul 28, 2009 |
4.3 / 5 (13) |
13
(PhysOrg.com) -- According to a comprehensive new analysis of public opinion surveys conducted over the last 15 years, support for the legalization of same-sex marriage has grown substantially in the United ...
A boy for every girl? Not even close
Sep 10, 2009 |
2.3 / 5 (3) |
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In a perfect world, for every boy there would of course be a girl, but a new study shows that actual sex ratios can sometimes sway very far from that ideal. In fact, the male-to-female ratio of one tropical butterfly has ...
Male fruit flies change to gain reproductive edge
Apr 14, 2009 |
not rated yet |
0
(PhysOrg.com) -- When it comes to wooing females, males of all species -- even fruit flies -- try to gain a competitive edge.
Many Britons too lazy to change TV channel: poll
Aug 10, 2009 |
4.3 / 5 (3) |
1
Britons are so lazy that one in six cannot be bothered to change television channel if the remote control is not working, according to a study Monday.
Changing sexes on the sea floor
Biology /
Feb 19, 2009 |
5 / 5 (3) |
0
Trees do it. Bees do it. Even environmentally stressed fish do it. But Prof. Yossi Loya from Tel Aviv University's Department of Zoology is the first in the world to discover that Japanese sea corals engage ...
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