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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.
In plants, POC over the allocation of resources to the brood members may affect both brood size (number of seeds matured within a single fruit) and seed size. [3] Concerning brood size, the most economic use of maternal resources is achieved by packing as many seeds as possible in one fruit, i.e., minimizing the cost of packing per seed.
A systematic review of neurodevelopmental effects of prenatal and postnatal organophosphate pesticide exposure was done in 2014. The review found that "Most of the studies evaluating prenatal exposure observed a negative effect on mental development and an increase in attention problems in preschool and school children." [30]
An example of vegetative segregation is with mitochondria of asexually replicating yeast cells. [5] Uniparental inheritance occurs in extranuclear genes when only one parent contributes organellar DNA to the offspring. A classic example of uniparental gene transmission is the maternal inheritance of human mitochondria.
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ESPN broadcasters on Saturday faced accusations of bias for allegedly gushing over the Colorado Buffaloes as they suffered an abysmal loss to the BYU Cougars.
Probably effective in delaying preterm birth by 48 hours. [8] It is used for its neuro-protective effects since it is shown to decrease the risk of cerebral palsy in infants. [41] Absolute contraindication: myasthenia gravis. [42] Use as a tocolytic agent may result in death of the fetus or infant. [40]
The Food and Drug Administration's new rules on "healthy" food labels are voluntary and are scheduled to take effect at the end of February. Which foods are considered 'healthy?' FDA issues new ...