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According to the parental investment theory, mothers are inclined to provide optimal care for their offspring due to the certainty of a genetic relationship. In regards to this, polyandry is rare in most societies as women will not take more than one husband in order to ensure the father with knowledge of the child's paternity and assistance with future care of their child from the father. [3]
Heredity, also called inheritance or biological inheritance, is the passing on of traits from parents to their offspring; either through asexual reproduction or sexual reproduction, the offspring cells or organisms acquire the genetic information of their parents.
A child affected by divorce at an early age will show effects later in life. Children can be affected socially; they may seem to become defiant in certain aspects. In heavy research, many have seen children become isolated after experiencing their parents' divorce.
Conflict between parents who remain married, often for the perceived sake of the children, but whose separation or divorce would in fact remove a detrimental influence on those children (must be evaluated on a case-by-case basis, as a breakup may harm children.) Parents who wish to divorce, but cannot due to financial, societal (including ...
However, conflict among genes in the same genome may arise both in events related to reproduction (a selfish gene may "cheat" and increase its own presence in gametes or offspring above the expected according to fair Mendelian segregation and fair gametogenesis) and altruism (genes in the same genome may disagree on how to value other organisms ...
Dual inheritance theory (DIT), also known as gene–culture coevolution or biocultural evolution, [1] was developed in the 1960s through early 1980s to explain how human behavior is a product of two different and interacting evolutionary processes: genetic evolution and cultural evolution.
Scientists studying a family plagued by early-in-life Alzheimer’s found some carry a genetic oddity that delays their initial symptoms by five years. The finding points to novel ways of fighting ...
Children in a particular country are not genetically predisposed to speak the languages of that country, adding further weight to the assertion that genetic memory is not Lamarckian. [1] However, there is scientific evidence of a gene for perfect pitch which is more common in Asian countries where pitch is critical to the meaning of a spoken ...