reproductive age‚ humans also provide food‚ shelter‚ protection‚ education etc. Nevertheless‚ the more time‚ effort and resources that parents invest in their children‚ the less they can invest in further reproduction. Therefore‚ there is a trade off between parental investment and reproduction; either many children and very little investment or fewer children with greater investment. Females do not really have a choice‚ however‚ because of their limited reproductive potential (see box 1). This means
Free Reproduction Sex Evolutionary psychology
conceiving and carrying a child to term. The Canadian government had recognized the importance of reproductive technology and created the Bill C-13 which was introduced into the House of Commons on October 9th‚ 2002. This act is respecting assisted reproduction and related research. Attempts at the first non-human embryo transfer date back to the 1980’s. Improvements and discoveries over the following decades lead to the first successful IVF births in 1959 in rabbits by a Chinese scientist. The first
Premium In vitro fertilisation Pregnancy Fertility
In this experiment‚ we are trying to find the effect of ERα in kisspeptin neurons‚ so we are going to investigate situations where ERα is present or absent. The model we use for this experiment is WT mice with ERα intact in kisspeptin neurons‚ and KERKO mice where ERα is knocked out in kisspeptin neurons. Then the researchers compare various features between WT mice and the knock-out mice 1. The first factor they compared between KERKO and WT mice is how is the presence /absence of the ERα
Premium Puberty Hypothalamus Menstrual cycle
opinion‚ is a unique system of values and norms that are believed by a group of people who live in the same society. Since culture is unique‚ Geert Hofstede tried to study the differences. After the study‚ he proposed five dimensions to measure the cultural difference between nations. The following parts will explain Hofstede Framework briefly. The first dimension is Power Distance. It is a tool to measure the power difference between levels in organization. In a group with high power distance‚ the
Premium Geert Hofstede Cross-cultural communication Sociology
First‚ read “Our Human Heritage: Courtship and Mating” on pages 85-90 in your textbook‚ and view the first 11 video segments entitled Deepest Desires. Then‚ answer the following questions to submit to your instructor: Write a minimum of 3 paragraphs per question‚ and 3 paragraphs explaining relevance to you. In total‚ you should have 9 paragraphs 1. How do evolutionary psychologists explain male-female differences in courtship and sexuality? Evolutionary psychologists explain male-female
Premium Male Female Gender
Woods Morgan Bugher/English 111 34-E Final Draft Essay 01 April 2013 Cultural differences: American-Korean background The life of this American-Korean young woman made her more knowledgeable of her background. Caroline Hwang is the author of “The Good Daughter‚” she is an inspiring writer for all women. Hwang has an MFA in creative writing from the University of New York‚ which lead her to become the senior editor at Good Housekeeping. In Hwang ’s article “The Good Daughter‚” uses ethos
Premium The Culture Learning Love
Tehuai (ergo‚ in attack of Mao)‚ which launched the initial idea for the Cultural Revolution. Was one man’s pride worth the countless deaths that marked the Cultural Revolution? Similarly‚ Stalin’s choke on the Soviet Union was irreversibly tied to the several purges that occurred during his rule. However‚ while the Great Terror could be over-simplified into purism that far exceeded passion‚ there is an aspect to the Cultural Revolution that feels personal. The author argues the Revolution must have
Premium Deng Xiaoping Deng Xiaoping People's Republic of China
talk the "same" language. When the languages are different‚ and translation has to be used to communicate‚ the potential for misunderstandings increases. Stella Ting-Toomey describes three ways in which culture interferes with effective cross-cultural understanding. First is what she calls "cognitive constraints." These are the frames of reference or world views that provide a backdrop that all new information is compared to or inserted into. Second are "behavior constraints." Each culture
Premium Culture Emotion Communication
Is Sex Necessary? Conditions in which parthenogenesis reproduction in vertebrates is beneficial Sexual reproduction is regarded as the most beneficial way to produce a lasting lineage that can adapt to changing environments and evolve to greater complexity. However‚ some species use asexual reproduction to sustain their population. Parthenogenesis is a rare form of reproduction in which a female produces a genetic clone of herself to create offspring. These lineages are all female and have
Premium Reproduction Human Male
Bob Kamburov Chapter 6 Outline I. Population Dynamics and Carrying Capacity * Populations change in size‚ density‚ and age distribution; most members of populations live together in clumps or groups. * Three general patterns in a habitat: clumping‚ uniform distribution‚ and random dispersion. Most live in clumps or groups. * Availability of resources varies from place to place. * Living in groups offers better protection from predators. * Some predator
Premium Population ecology Reproduction Demography