Boys and Girls May Get Different Breast Milk - …

In most species, the sex ratio varies according to the age profile of the population

Milk composition differs based on a baby's sex and a mother's wealth

Further research on milk constituents in relation to offspring's sex is warranted.AB - The Trivers-Willard hypothesis predicts the unequal parental investment between daughters and sons, depending on maternal condition and offspring reproductive potential.

The Trivers-Willard hypothesis predicts the unequal parental investment between daughters and sons, depending on maternal condition and offspring reproductive potential.

Life history and Parental Care Flashcards | Quizlet

This book analyzes both the advice provided to parents and the different forms of child abuse within families. Cliche derives her information from family magazines, reports and advice columns in newspapers, people’s life stories, the records of the Montreal Juvenile Court, and even comic strips. Two dates are given particular focus: 1920, with the trial of the parents of Aurore Gagnon, which sensitized the public to the phenomenon of “child martyrs;” and 1940, with the advent of the New Education movement, which was based on psychology rather than strict discipline and religious doctrine.

This article reviews evolutionary biological studies of sex-biased post-natal parental investment that may be relevant to the issue of preconception gender selection.

This study investigates the Trivers-Willard hypothesis on both behavioral and biological parental investment by examining breastfeeding frequencies and breast milk fat concentrations.

The Trivers–Willard hypothesis of parental investment Journal Article. Overview; Other Profiles; Additional Document Info; Overview CU Boulder Authors