Search results
Results from the WOW.Com Content Network
Through this process of genetic assimilation, an environmentally induced phenotype had become inherited. Waddington explained this as the formation of a new canal in the epigenetic landscape. It is, however, possible to explain genetic assimilation using only quantitative genetics and a threshold model, with no reference to the concept of ...
Evidence for animal culture is often based on studies of feeding behaviors, [8] vocalizations, [4] predator avoidance, [9] mate selection, [10] and migratory routes. [11] An important area of study for animal culture is vocal learning, the ability to make new sounds through imitation. [4] Most species cannot learn to imitate sounds.
Waddington called the effect he had seen "genetic assimilation". His explanation was that it was caused by a process he called "canalization".He compared embryonic development to a ball rolling down a slope in what he called an epigenetic landscape, where each point on the landscape is a possible state of the organism (involving many variables).
It posits that subsequent selection might reinforce the originally learned behaviors, if adaptive, into more in-born, instinctive ones. Though this process appears similar to Lamarckism, that view proposes that living things inherited their parents' acquired characteristics. The Baldwin effect only posits that learning ability, which is ...
Parents everywhere will be able to relate to this daddy gorilla trying to get his baby to go to bed at Zoo Atlanta, since we've all been in the same boat many times before.
Chatting with humans is a sign of affection, even though many times it sounds like complaining and arguing, much like with our human children! The AKC has this to say about vocal Huskies , "Oddly ...
Bottom line. Ultimately, whether you can retire on less than $1 million will largely depend on your spending needs during retirement and your remaining life expectancy.
The SafeCare programme is a preventive programme working with parents of children under 6 years old who are at risk of significant harm through neglect. The programme is delivered in the home by trained practitioners, and is 18 to 20 sessions focused on 3 key areas: parent-infant/child interaction, home safety and child health.