Why Do People Have Different Skin Colors Explain to Kids

In addition to their skin people have melanin pigment in their eyes and hair too. These differences among populations almost certainly represent more than one evolutionary event.

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Another way of saying it is that its determined by your ancestry so we know the people whose ancestry comes from Africa or regions close to the equator tend to have darker skin colour and people further away in higher latitudes will have lighter skin colour.

. Teachers can do activities with colors or maps to reinforce the idea that skin color means how active the melanin is in our skin. Something as simple as explaining that all people have skin colors may be sufficient. Shes just making an observation.

If she compares her skin color to others its ok. The opposite is true as well. May 13 2018 Why Do Humans Have Different Colored Skin.

Skin color is a trait called a quantitative trait which means that many different sets of genes control it therefore there are many more outcomes. Why do some people have light skin and some people have dark skin. Since the beginning of time kids.

The Sepia Rainbow. Now if two people carrying the AaBb genes got married and reproduced their children could have a wide range of skin colors. Variations in human skin color are adaptive traits that correlate closely with geography and the suns ultraviolet UV radiation.

Parents can have children with skin color that is significantly lighter or darker than their own. Even apart from the miraculous changes suggested above such characteristics could have developed quite rapidly assuming that the different genetic factors for skin color stature hair texture and the like were present in the ancestral stock and that isolation and selection pressures of some kindwhether climatic or social or othersoperated in favor of. Be sure to give him concrete and specific answers.

When the sun is very bright the melanocytes in your body produce a lot of melanin and your skin turns darker. And like another answer says our genetic make up. When the sun isnt very bright the melanocytes produce less melanin and your skin becomes lighter.

The answer to why skin color is different for different individuals lies within your DNA. Then if she asks why. Sometimes a particular gene can have a much bigger effect than other genes.

People with less melanin have lighter skin. Sometimes One Gene is Stronger than the Others. God does not create you in heaven saying Well I think this one should be purple and the other blue He creates our inner most being the scripture saysHe marks us with spiritual gifts.

This is because skin colour is controlled by how much melanin it contains and melanin absorbs light and therefore UV. You could say something like - when people are born they are born with unique codes in our blood that make us have different color skin eyes hair etc. As early humans moved into hot open environments in search of food and water one big challenge was keeping cool.

Scientists call this different effect size. Kids are so innocent. Theory held that darker skin had evolved in order to afford early humanswho had recently lost the cover of fura protection.

Some of these families answer your question. However the root cause of our skin color is genetic and comes from our ancestors. We have different skin color because of where we come from.

Light-skinned people get darker when exposed to more sun. If a male and female from each group mate and produce a child the combination of their AABB and aabb genes would give rise to a child who carries the AaBb genes for melanin and would be middle brown in skin shade. Like different atmospheres and continents.

People with a lot of melanin have darker skin. The idea that pigmentation evolved as an adaptation to light levels is supported by the observation of facultative changes in pigmentation that occur with higher exposure that is tanning. So for example if eye color is hypothetically controlled by one set of genes where brown is dominant and blue is recessive.

Getting a sunburn or a suntan. UV radiation causes damage to the DNA in our cells and can lead to various forms of cancer. Two people with different color skin may have more in common than two people with the same color skin.

Our skin has tiny cells called melanocytes. A short educational video for kids explaining why humans have different skin colors. Most people are familiar with the DNA that is found within the nucleus of a cell but by tracing mitochondrial DNA mtDNA lines scientists have been able to figure out when the human ancestors began moving out of Africa into different climates.

What can we learn about our ancestors by our skin color. Their main job is to create melanin or color for your skin. This is known as polygenic inheritance.

Four-year-olds can sometimes understand more scientific explanations so you may be able to explain that different people have different level of hormones such as melanin that are responsible for color. In the early 1990s the evolution of skin color was regarded by many of her peers as an intractable problem. Human skin color can change in response to environmental changes ie.

The codes make us all special and beautiful in our own way. People have different colors of skin because of a chemical in the skin called melanin. There would have been a huge evolutionary pressure because of deficiencies in vitamin D although thats not the only factor which causes problems with calcium absorption for example and so lighter skinned people in colder climates would have thrived.

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