Human populations living in countries in the northern latitudes, such as Finland, have a lighter complexion than people living in the tropical countries. What do you think is the reason for this difference?
Q: How did Hopi culture contribute to the high incidence of albinism among members of the Hopi tribe?
A: The Hopi are descendent of ancestral Puebloans. They are widely known because of their belief and…
Q: body
A: Skin colour is largely determined by a pigment called melanin but other things are involved. Your…
Q: How do folate, vitamin D, and uv intensity affect the skin color? Explain.
A: The colour of human skin varies from the darkest brown to the lightest shades. Variation in…
Q: A woman has wavy hair and a man has curly hair, the child has curly hair. What is this an example…
A: The DNA (deoxyribonucleic acid) is the hereditary unit of an organism. It consists of purines and…
Q: Explain the basis for different skin colors.
A: In simple words ,Skin is the layer which is soft, flexible along with outer tissue covering body of…
Q: What is the relationship between skin coloration and proximity to the equator? Explain in some…
A: The skin coloration among the humans across globe seems to show relationship with that of equator.
Q: why does your skin remain red after a bad sunburn.
A: Sunburn is an inflammatory reaction in the tissue due to the damage caused by overexposure to the UV…
Q: ther than producing color, what is another function of melanin? O protect keratinocytes' genetic…
A: The basal cell layer contains cells called melanocytes. Special skin cells called melanocytes make…
Q: B 1. Name the region of the hair labeled A. 2. Name the structure labeled B. 3. Name the specific…
A: Hair Hair is a thread like strand grow on the skin of the mammals and some other animals.
Q: Our skin contains melanocytes, which produce melanin that protects the cells from sun damage. If…
A: The integumentary system is the system that helps to study the skin, the largest organ of our body.…
Q: Explain the cellular and molecular mechanisms that determine the color of human skin.
A: *The phenotypes that distinguishes Ong the species is differences in skin pigmentation. * human…
Q: What is responsible for skin pigment and hair color?
A: The skin color of humans is affected by many different substances. But the single most important…
Q: How do you make your skin lighter (from brown to white) and how do you make this change last?
A: skin colour is dependant of melanocyte, sex hormone, UV radiation. sex hormone are progesteron and…
Q: As “naked apes” humans lack the protective investment of fur that shields other mammals from the…
A: The human skin is the outer covering of the body and it is the largest organ of the integumentary…
Q: Identify 3 factors that influence the variation in human skin color.
A: Human skin colour is an adaptive, variable trait ranging from lighter to darker skin color. The…
Q: Siamese kittens that weigh more tend to have darker fur on their bodies. Why might this be?
A: Since dark colour absorbs all the heat and light, so extremities area of a cat, which gets cold…
Q: What is the possible explanation for why so many Europeans have lighter skin?
A: Quantitative traits are controlled by more than one genes and are also influenced by the…
Q: According to your textbook, the trend related to lighter skin pigmentation further from the equator…
A: Organisms are open systems that maintain homeostasis, are composed of cells, have a life cycle,…
Q: Why does some females have facial hair when ageing
A: A hair is a fine threadlike structure that are grown on the skin of mammals like humans. It is a…
Q: How does the MC1R gene affect skin color?
A: The skin coloration depends on various genes and complicated cell signalling processes. Different…
Q: a late adolescent, get flawless, white skin that lasts?
A: A late adolescent, get flawless, perfect skin that lasts are by taking proper care of the skin which…
Q: what selective factors can account for the loss of pigmentation?
A: A few pigments found in our bodies, such as carotene, melanin, and hemoglobin, influence the color…
Q: It would be expected that a population geographically located where UV exposure is minimal to have a…
A: Introduction :- Sunburn can be caused by UV radiation from the sun or artificial sources such as…
Q: Some strains of Staphylococcus aureus produce exfoliative toxin, a chemical that causes portions of…
A: Staphylococcus aureus is a bacterium that falls under the gram-positive category. It has a spherical…
Q: Why is there varlation In skin color among modern humans? Multiple Cholce People have different…
A: An individual's skin pigmentation is the result of genetics,and also the exposure of sun. Skin color…
Q: What are the three pigments in the skin and how do they contribute to skin color?
A: The three pigments in the skin are : Carotene , Hemoglobin and Melanin
Q: Why a person's skin becomes pale during emergency situations?
A: The integumentary system of the human body consists of skin, exocrine glands, nails, and hair whose…
Q: A bluish tint to the skin of a fair-haired person is called _______________ and is caused…
A: Cyanosis is outlined as a blue-black discoloration, particularly of the skin and mucose membranes,…
Q: Why don’t you bleed when you cut your nails? Why don’t you bleed when a hair is pulled?
A: The skin, hair, nails, subcutaneous tissue below the skin and associated glands comes under the…
Q: Pulling a hair out of your head hurts, but cutting your hair doesn’t. Explain the difference.
A: The integumentary system is referred to as an organ system consisting of the skin, hair, nails, and…
Q: Why is it really uncommon to have brown eyes with red hair?
A: It is really uncommon to have brown eyes with red hair.Brown eye colour is one of the most common…
Q: Describe the selective pressure favoring light skin in regions far from the equator.
A: Introduction:- Melanin is a pigment-producing substance found in your hair, eyes, and skin. Your…
Q: What chromosome determines skin color?
A: Chromosomes are carrier of deoxyribonucleic acid (DNA). DNA is the genetic material. Each species…
Q: Which statement is true about melanin and melanocytes?a. Melanin is produced by cells that are…
A: Melanin is a pigment that accumulates inside keratinocytes.
Q: If two people enjoy being in the sun, which one of them wouldyou expect to get more wrinkles—the…
A: Ans: Sunscreen: It is also referred to as suncream or lotion which stick to the body/skin and are…
Q: The cosmetic industry sells many products that remove or prevent wrinkles. If this is true, why do…
A: Our skin has a good amount of elasticity and it is due to the secretion of oil. Oil is secreted by…
Q: How would you make the difference between a mole and skin cancer?
A: Skin cancer is defined as the abnormal growth of skin cells in the early stage. It looks like a…
Q: What are the two main variants of the skin pigment molecule in humans? How do the differ?
A: Given: The two main variants of the skin pigment molecule in humans.
Q: If your father is bald, your parental grandfather has normal growth of hair and yoour mother had no…
A: INHERITANCE OF PATTERN BALDNESS IN HUMAN BEING: In Pattren Baldness LOSS OF HAIR occurs on the TOP…
Q: why does the government of canada mandate wearing a mask for elementary students. and what does the…
A:
Q: What component of the human epidermis functions to make the skin's surface extremely tough and…
A: Skin is the outer most covering of the body surrounding muscles of our body. It is the largest organ…
Q: Explain the roles of Vitamin B and Vitamin D in the evolution of skin color. Use appropriate…
A: Vitamin is a micronutrient essential for the proper growth and functioning of an organism. Although…
Q: This ABC video follows the story of a pair of fraternal African-American twins, one of whom is…
A: The skin color is determined mainly by many different pigments such as melanin, hemoglobin as well…
Q: Name and describe the pigments in the skin. Which pigment is more protective against ultraviolet…
A: The skin tone i.e., colour of our skin is primarily determined by the genetic inheritance but skin…
Q: Explain the relationship between melanin and skin color. Why do you think people living near the…
A: The skin has two different layers, the epidermis and dermis. The epidermis is further divided into…
Q: Can the effects of UV light on the folate explain the full variation of human skin color that exists…
A: Folic acid, known as folate in its natural form, is one of the B-group vitamins. It has several…
Q: -Onion skin
A: The microscopic examination of onion skin is a very common experiment performed to observe the…
Q: What fraction of the population has medium skin color? Refer to Figure 9.14 on page 173 of your…
A: Human skin colour is determined by three pairs of polygenes A, B, and C, which create the pigment…
Q: What type of inheritance pattern best describes how skin color is determined.
A: The mode of inheritance is a pattern of obtaining parentral alleles or genes to the offsprings. The…
Human populations living in countries in the northern latitudes, such as Finland, have a lighter complexion than people living in the tropical countries. What do you think is the reason for this difference?
Step by step
Solved in 2 steps
- What is the possible explanation for why so many Europeans have lighter skin?Explain the relationship between melanin and skin color. Why do you think people living near the equator have darker skin?According to the video “The Biology of Skin Color”, how does UV exposure vary throughout the world? A. The UV rays are the same at the equator and the earth's poles B. There are higher UV rays near the equator and lower UV rays towards the north and south poles C. UV rays don't vary across the globe D. There are lower UV rays near the equator and higher UV rays towards the north and south poles
- How is the diversity in human skin color related to human environmental adaptation?According to your textbook, the trend related to lighter skin pigmentation further from the equator follows a principle called _____. Group of answer choices Bergmann's Rule Allen's Rule Gloger's Rule Blumenbach's RuleWhat is the relationship between skin coloration and proximity to the equator? Explain in some detail, using technical terms
- Our skin contains melanocytes, which produce melanin that protects the cells from sun damage. If darker- skinned people have more melanin does this mean that they do not have to protect their skin from the sun? Explain your answer.According to the video “The Biology of Skin Color”, what is the pigment in our skin that reflects or absorbs light? A. Magnesium B. Melatonin C. Melanin D. ChlorophyllRegarding the short film, "Biology of Skin Color" (in 250 to 300 words) - What is the relationship between melanin, geography, folate, and vitamin D? Provide a personal reflection on something that surprised you or something new you learned on this topic.
- Based on everything that you have learned so far, provide an explanation for how the different shades of skin color from pinkish white to dark brown evolved throughout human history.According to the video “The Biology of Skin Color”, why are UV rays dangerous to our bodies? What can they do? A. UV rays can mutate the DNA in our skin cells B. UV rays can cause skin cancer C. UV rays can destroy folate D. All of the aboveCan the effects of UV light on the folate explain the full variation of human skin color that exists among human populations today? Expain your reasoning.
