The percentages of people with various eye colors are unknown for many countries. However, according to the American Academy of Ophthalmology, 32 percent of Americans have blue or grey eyes; 15 percent have blue, grey or green eyes with brown or yellow flecks; 12 percent have green or light brown eyes with minimal flecks; 16 percent have brown eyes with dark specks; and 25 percent have uniformly brown eyes.Know More
Unlike many other traits, a simple gene does not determine a person’s eye color. Accordingly, the pattern in which eye color is inherited is complex. Brown eye color is generally dominant over green and blue eye color, and green eye color is dominant over blue eye color. However, because many genes are involved in the process, blue-eyed parents can produce brown-eyed children.
Contrary to popular perception, human eye color is quite complex, and people have a variety of different eye colors. Rather than only occurring in blue, green and brown shades, many intermediate colors are recognized. Additionally, some people have eyes of more than one color.
Different eye colors dominate in different geographic areas. For example, blue eyes are very common in some European locations, while brown eyes are more common in Africa and Asia.Learn more about Data Graphs
If a baby's eye color is going to change, the change occurs within the first year of life, with the most rapid change taking place during the first six months. The most rapid change often occurs within babies born with blue eyes.Full Answer >
Eye colors are highly individualized, but the most common general hues are brown, blue and hazel. Green, silver and amber hues are also possible, but are more rare.Full Answer >
Bar graphs, or bar charts, are a way of representing data visually; printable bar charts enable people giving presentations to convey digital information on paper. They are similar to line charts but are often used to show discrete components instead of how something changes over time.Full Answer >
The primary advantage of using a graph or chart in a presentation is that they help the audience to visualize the point of the presentation. Graphs emphasize the main point, make the data more convincing, provide a compact way of presenting information and help audiences stay engaged. Disadvantages of graphs include being time consuming to construct and costly to produce. They also require technology that some may lack.Full Answer >