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In genetics, a maternal effect occurs when the phenotype of an organism is determined by the genotype of its mother. [1] For example, if a mutation is maternal effect recessive, then a female homozygous for the mutation may appear phenotypically normal, however her offspring will show the mutant phenotype, even if they are heterozygous for the mutation.
The data indicated a widening disparity in black-white infant mortality as maternal ages increase. Subsequently, Geronimus proposed the "weathering hypothesis", which she initially conceived as a potential explanation for the patterns of racial variation in infant mortality with increasing maternal age. [11]
This causes the maternal kidneys to excrete bicarbonate to compensate for this change in pH. The combined effect of the decreased serum concentrations of both carbon dioxide and bicarbonate leads to a slight overall increase in blood pH (to 7.44 compared to 7.40 in the non-pregnant state) .
Maternal intake of vitamin D, vitamin E, and zinc have all been associated with a lower likelihood of wheezing in childhood, suggesting a protective effect. [27] Additionally, maternal intake of omega-3 long chain polyunsaturated fatty acids (n-3 LC-PUFAs) has been associated with a reduced risk of development of eczema in childhood and reduced ...
While one in three of all Americans habitually lives paycheck to paycheck, new research revealed women and Generation Z, or adults ages 18 to 28, currently experience the most financial stress.
Popular examples of the Mandela effect. Here are some Mandela effect examples that have confused me over the years — and many others too. Grab your friends and see which false memories you may ...
Guard Mike Mitchell (11.3) is the team's second-leading scorer but he's been held to six or fewer points in three of the last four games. Lu'Cye Patterson (10.6) is the only other player averaging ...
Maternal sensitivity is most commonly assessed during naturalistic observation of free play interactions between mother and child. [4] There are several factors surrounding assessment during observation that may cause differences in results, including the setting (home vs laboratory), the context (free play vs structured task), the length of observation and the frequency of observation.