Back to category: Medical

Limited version - please login or register to view the entire paper.

Autism

It is common knowledge that genes determine a person's appearance, such as height, hair color, and eye color. People have recognized the concept of inheritance, which is that traits are passed down from generation to generation. Most of these traits are passed on without any problems. Sometimes, an abnormal trait or anomaly may also be passed on, some with no real consequences to the person's health, such as color blindness. However, there can be genetic conditions in a family that cause disease, illness, or birth defects. This is probably due to a change in the DNA, genes, and chromosomes.
A genetic mutation is changes between or within chromo-
somes that may alter an organisms phenotype, giving it greater or lesser advantages in the process of natural selection. It is a rare, random, and inheritable change in a cell's genetic material (DNA). Mutations are not all necessarily bad. One example is the experiment Hugo De Vries did with the breeding of primroses. A primrose wou...

Posted by: Kelly G Hess

Limited version - please login or register to view the entire paper.