W4 Lifespan Development Discuss React

Discussion – Week 4

Environmentaland Genetic Impact on Fetal Development

Both environmental and geneticinfluences impact fetal development. Some substances (e.g., folic acid,hormones, etc.) have the biggest influence at sensitive periods duringgestation. Early in gestation, when neurological development is at its peak,folic acid is most important. Hormones, such as androgen and estrogen, arenecessary for external genital differentiation between 9 and 12 weeks ofgestation. Prenatal alcohol exposure, however, can impact fetal growth at anytime during gestation. On the other hand, environmental influences such asmaternal genetics, nutrition, health, and immunization can have a positiveimpact on fetal development, mitigating the impact of substances and othernegative influences. In addition to environmental influences, you must alsoconsider the impact of genetic influences. Genes determine not only anindividuals physical features at birththey also contribute to hormonalprocesses throughout the lifespan. The interaction of environmental influencesand genetic influences impacts the development of a fetus.

For this Discussion, you willexamine environmental and genetic influences on fetal development.

Toprepare for this Discussion:

        Selectone genetic influence and one environmental influence on fetal development andthink about how these influences might impact each other.

By Day 4

Post a brief description of thegenetic influence and the environmental influence you selected. Then, explainhow the environmental influence might positively or negatively affect thedevelopment of a fetus with the genetic influence you selected. Be specific andprovide examples. Use your Learning Resources to support your post. Use properAPA format and citations.

By Day 6

Respond to at least one of your colleagues posts and include anadditional influence (genetic or environmental) that could interact with one ofthe influences identified by your colleague. Use your Learning Resources andother scholarly sources to support your post.

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