Greater focus on ecological aspects would increase this knowledge, according to evolutionary biologists at Lund University, who have reviewed a lot of the research conducted in this field in the last 100 years.<\/p>\n
Female and male bodies work differently, even though they have the same genome. One example is reproduction.<\/p>\n
“There is a form of genetic conflict between the sexes — a conflict in the genome itself — which we know little about,” says professor Bengt Hansson at Lund University.<\/p>\n
Together with senior lecturer Jessica Abbott and doctoral student Anna Nord\u00e9n, he has read more than 100 scientific articles and papers describing the evolution of sex chromosomes and the genome. Together, they have identified two tracks that have each dominated the research since the late 19th century: empirical studies and various theories.<\/p>\n
The review shows that the significance of ecology has not been sufficiently noted. Therefore, the biologists in Lund call for more research on how the living environment of a population affects the development and evolution of sex chromosomes. This could include factors such as access to food, age variations within a population or the consequences for sex chromosomes when populations that have lived separately meet and mix.<\/p>\n
“Additional approaches in research will probably lead to a much more detailed understanding of the development of sex chromosomes and, in turn, of how females and males evolve,” says Jessica Abbott.<\/p>\n
The research can lead to concrete benefits. One example is releasing sterile males in populations of malaria mosquitoes, as an attempt to limit the number of mosquitoes in certain areas.<\/p>\n
Drugs that target women or men specifically are another hot research field. According to the biologists at Lund University, this is also an area that requires more knowledge on the evolution of sex chromosomes.<\/p>\n
Article source: https:\/\/www.sciencedaily.com\/releases\/2017\/05\/170526084533.htm<\/p>","protected":false},"excerpt":{"rendered":"
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