Sentences with phrase «kin selection in»

(The geneticist J.B.S. Haldane, who explored early concepts of kin selection in the 1930s, is sometimes alleged to have joked that, as a human being, he would lay down his life for two brothers or eight cousins.)

But I'm not so sure I pivoted that much on kin selection in Sociobiology.

Seen that way, it is difficult to understand why anyone attributed this kind of behavior to kin selection in the first place.

Not exact matches

They were enchanted by kin selection because it appeared to have a basis in mathematics.

Despite all this, your colleagues are digging in and defending kin selection with passion.

Biologist E. O. Wilson first put forward this idea of kin selection as an explanation for homosexuality in 1978, but for some time now it has been considered an unlikely scenario.

For example, unselfish behaviour can sometimes be explained by kin selection: in animals, the larger the degree of relatedness, the more likely they may be to help.

Biological kin selection means that organisms may be more willing to help others in relation to how many genes they share.

In dispatches from the Middle East, it is hard not to see the way that kin selection can organize people into tight - knit, warring clans.

The study not only demonstrates that the influence of kin selection may stretch beyond that of nuclear and extended family groups thus promoting co-operation in large social groups, but it is also the first study to show that kin selection may promote the communal construction and maintenance of an animal - built physical structure.

The finding affirms the importance of kin selection — a backbone of social evolution theory for the last half century — in driving social evolution and suggests a general model of animal social evolution, Chak said.

Such evolutionarily novel circumstances, the researchers argue, are creating conditions where the strong desire to be a parent — no matter the source of a child's genes — can override evolved, kin selection behaviors that might otherwise lead parents to invest more time and resources in their own offspring.

Cooperative behaviors in ants are rooted in the kin selection advantage that shaped these insects» evolution: The female workers pass more of their own genes to the next generation by supporting their egg - laying mother than by laying eggs of their own.

The biologist William D. Hamilton made an end run around this problem in 1964 by invoking a strategy that Maynard Smith had called kin selection.

The interesting part was that though the digging and pulling could possibly attribute to simple chemical distress signals, but in this case the ants exhibited noteworthy cognitive and behavioral complexity — in this case both participants risked physical harm «with no possibility of reward for the rescuer aside from the benefits of kin selection.»