منابع مشابه
Genetic influences on 'environmental' factors.
Childhood environment, social environment and behavior, leisure time activities and life events have been hypothesized to contribute to individual differences in cognitive abilities and physical and emotional well-being. These factors are often labeled 'environmental', suggesting they shape but not reflect individual differences in behavior. The aim of this study is to test the hypothesis that ...
متن کاملEnvironmental Influences on Epigenetic Regulation
Gametogenesis is a sexually dimorphic process requiring profound differences in germ cell differentiation between the sexes. In mammals, the presence of heteromorphic sex chromosomes in males creates additional sex-specific challenges, including incomplete X and Y pairing during meiotic prophase. This triggers formation of a heterochromatin domain, the XY body. The XY body disassembles after pr...
متن کاملEnvironmental Influences on Color Vision
It is evident that color vision evolved to inform organisms about their environment and thus must be shaped by the environment the organism is in. The color properties of the world are a potent factor affecting not only the basic mechanisms of color vision within a species but also how they are calibrated and fine-tuned within the individual. As a result, many aspects of the physiology of color...
متن کاملEnvironmental Influences on Prenatal Development
Similarly, new proposals relative to vaccination with modified live viruses, such as those which have been devised by Koprowski and Sabin, although still in the research phase, receive a good review of the situation up to that date. A third new subject, which has actually only come into being in the last four or five years, is found in the papers dealing with the whole new family of enteric sir...
متن کاملEnvironmental factors and semen quality.
OBJECTIVES An increasing number of reports suggest that chemical and physical agents in the environment, introduced and spread by human activity, may affect male fertility in humans. This article aims at evaluating the impact of environmental exposures (pesticides, phthalates, PCBs, air pollution, trihalomethanes (THMs), mobile phones) on semen quality, by reviewing most recent published litera...
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ژورنال
عنوان ژورنال: Journal of Dairy Science
سال: 1982
ISSN: 0022-0302
DOI: 10.3168/jds.s0022-0302(82)82344-8