ENVIRONMENTAL AND GENETIC IMPACT ON FETAL DEVELOPMENT
Genetic Influence
The genetic code is only just beginning to be understood. All humans are comprised of chromosomes which are made up of deoxyribonucleic acid (DNA); a gene is a segment of DNA along the chromosome (Berk, 2023). There are protein-coding genes that directly affect individual characteristics and regulator genes, which modify instructions given by the protein-coding genes. To make things more complicated, every person in the world is 99.6% genetically identical to every other person. What makes people different is how their genes interact (and environmental influences) to create traits.
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