All posts; Tags Include "sex determination"
- January 5, 2015
- 02:32 PM
- 888 views
Journal Club: Halfsider: a bizarre half-male half-female bird
by GrrlScientist in Maniraptora
SUMMARY: A “halfsider” -- half male and half female bird -- has been mentioned in the news over the holidays. More properly known as bilateral gynandromorphs or tetragametic chimæras, these unusual birds are actually two genetically distinct individuals -- twins -- fused into one being. But what is it like to be such an individual? A recently published paper shares observations of the behaviour and social life of one such individual living in the wild.... Read more »
Peer Brian D. (2014) Observations of a Bilateral Gynandromorph Northern Cardinal (Cardinalis cardinalis) . The Wilson Journal of Ornithology, 126(4), 778-781. DOI: http://dx.doi.org/10.1676/14-025.1
Agate R. J., J. Wade, S. Mann, J. Wingfield, C. Schanen, A. Palotie, & A. P. Arnold. (2003) Neural, not gonadal, origin of brain sex differences in a gynandromorphic finch. Proceedings of the National Academy of Sciences, 100(8), 4873-4878. DOI: http://dx.doi.org/10.1073/pnas.0636925100
Chue Justin. (2011) Sex determination and sexual differentiation in the avian model. FEBS Journal, 278(7), 1027-1034. DOI: http://dx.doi.org/10.1111/j.1742-4658.2011.08032.x
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- July 8, 2011
- 12:35 PM
- 1,804 views
How Do You Get Sexual Orientation and Gender in Humans?
by Greg Laden in Greg Laden's Blog
Humans appear to have a reasonable amount of diversity in their sexual orientations, in what is often referred to as "gender" and in adult behavior generally. When convenient, people will point to "genes" as the "cause" of any particular subset of th is diversity (or all of it). When convenient, people will point to "culture" as the "cause" of ... whatever. The "real" story is more complicated, less clear, and very interesting. And, starting now, I promise to stop using so many "scare" quote........ Read more »
Moore, C., & Morelli, G. (1979) Mother rats interact differently with male amd female offspring. Journal of Comparative and Physiological Psychology, 93(4), 677-684. DOI: 10.1037/h0077599
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