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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.
Instead, African American girls and women, teenagers have higher fertility rates and healthy pregnancies. 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 ...
Some classify the paternal age effect as one of two different types. One effect is directly related to advanced paternal age and autosomal mutations in the offspring. The other effect is an indirect effect in relation to mutations on the X chromosome which are passed to daughters who are then at risk for having sons with X-linked diseases. [57]
Critic Eric Sundquist ultimately suggests the social inequity inherent in the aesthetic distinction between realist and regionalist authors, noting: "Economic or political power can itself be seen to be definitive of a realist aesthetic, in that those in power (say, white urban males) have been more often judged 'realists,' while those removed ...
For example, a male has no father and cannot have sons, but he has a grandfather and can have grandsons. Additionally, if a eusocial -insect colony has only one queen, and she has only mated once, then the relatedness between workers (diploid females) in a hive or nest is 3 ⁄ 4 .
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The following two example cultures each follow a different pattern, however: Example 1. Members of the (matrilineal) clan culture Minangkabau do not even have a surname or family name, see this culture's own section below. In contrast, members do have a clan name, which is important in their lives although not included in the member's name.
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 ...