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Both environmental and genetic influences impact fetal development. Some substances (e.g., folic acid, hormones, etc.) have the biggest influence at sensitive periods during gestation. Early in gestation when neurological development is at its peak, folic acid is most important. Hormones, such as androgen and estrogen, are necessary for external genital differentiation between 9 and 12 weeks of gestation. Prenatal alcohol exposure, however, can impact fetal growth at any time during gestation. On the other hand, environmental influences such as maternal genetics, nutrition, health, and immunization can have a positive impact on fetal development, mitigating the impact of substances and other negative influences. In addition to environmental influences, you must also consider the impact of genetic influences. Genes determine not only an individual?s physical features at birth?they also contribute to hormonal processes throughout the lifespan. The interaction of environmental influences and genetic influences impacts the development of a fetus.
To prepare for this paper, select two genetic influences and two environmental influences on fetal development and think about how these influences might impact each other
You may use other references but at least two of the following articles need to be incorporated into the paper.
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