Human skin color is a polygenic trait, which means that multiple gene loci (with different alleles) are involved in its expression. It has been shown that there more than 350 genetic loci involved in determining skin color. Because of that, there is the enormous number of possible genotypes for the skin color and as a result, the phenotypes vary from the darkest brown to the lightest hues. Different populations have different allele frequencies of genes for human skin color, and the combination of these allele variations brings about complex and continuous variation in skin coloration. Natural skin color can change due to exposure to sunlight (becomes darker) and that is the way it adapts to intense sunlight irradiation (protection against the UV exposure).
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The area of the brain located in the parietal lobe, responsible for processing information from sensory receptors on the skin is the <u>somatosensory cortex</u>.
<h3>What is somatosensory cortex?</h3>
It is that brain area responsible for processing and treating information of a sensory nature that comes from the skin, muscles and joints.
<h3>Characteristics of somatosensory cortex</h3>
- It receives and interprets all the information that comes from the tactile system.
- Sensations of pain, temperature, pressure, as well as the ability to perceive the size, texture, and shape of objects are perceived by this section of the cerebral cortex.
Therefore, we can conclude that the sensory receptors receive information from the outside regarding touch, pain and temperature and transmit it to the somatosensory cortex.
Learn more about somatosensory cortex here: brainly.com/question/8340880
Answer:
A. Meiosis
Explanation:
Since Meiosis is the process of separating homologous chromosomes way from each other while Mitosis don't the answer will be A. Meiosis
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Hi
Below are five major steps of DNA or gene cloning:
1: You chose the gene or specific piece of DNA you need to clone and cut the gene with restriction enzymes from the source organism.
2: You need to choose a vector for the process of cloning and you will cut the vector with same restriction enzymes through which you have cut your target DNA sequence to be inserted into the vector.
3: You place the target gene into the vector and join or seal the gene with vector by using an enzyme called DNA ligase.
4: You introduce the vector with your target gene into a suitable host organism such as yeast or bacteria through the process of Transformation. In this process host organism takes up the vector containing your target gene and starts replicating the target DNA along with their own DNA and thus creating millions of copies of target gene .
5: In the last step, the DNA or target gene is isolated from host organism and purified and is ready to be used since its quantity has been enormously increased through the process of cloning.
The cloning is also called as recombinant DNA technology and is the main process that is being used in the production of insulin for diabetes patients. You can see below image for better understanding.
Hope it help!
The process that allows for the growth and development of a multicellular organism is mitosis
So the answer is A. mitosis
