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What describes the relationship between the number of genes and the number of chromosomes in human skin cells?
There are more genes than chromosomes in skin cells.
With no nuclei can skin cells produce other skin cells?
No, skin cells cannot produce other skin cells without nuclei. The nucleus contains the genetic material necessary for cell division and the regulation of cellular functions. While certain specialized skin cells, like keratinocytes, can undergo mitosis to produce new cells, they require nuclei to carry out this process. In the absence of nuclei, skin cells would be unable to replicate or perform essential functions.
What is parakeratosis?
Parakeratosis is a skin condition where the keratinocytes (skin cells) in the outer layer of the skin retain their nuclei, which is unusual as these cells normally lose their nuclei as they move to the skin surface. This can result in a thickened and scaly appearance of the skin. Parakeratosis can be seen in conditions such as psoriasis or chronic dermatitis.
How many pairs of genes control skin color?
3-6
What type of inheritance pattern best describes how skin color is determined?
Skin color is determined by multiple genes with a polygenic inheritance pattern. This means that several genes contribute to skin color, and the variation in these genes leads to a wide range of skin tones in populations. This inheritance pattern allows for a continuous spectrum of colors rather than distinct categories.
Is skin color and inherited trait?
Yes, skin color is an inherited trait influenced by genes passed down from parents. Multiple genes determine skin color, including those involved in producing melanin, the pigment that gives skin its color. Variations in these genes can result in a wide range of skin colors among individuals.
What type of cell is responsible for the color and tone of our skin?
There are cells within the bottom layer of the epidermis (the stratum basale or stratum germinativum) called melanocytes. Melanocytes secrete a pigment called melanin which is responsible for giving our skin its color. Their main function though is to shield the nuclei of the keratinocytes (the main cells of the epidermis) to protect them from ultraviolet radiation from the sun. That's why we appear to tan in the sun.
Height and skin color are determined by two or more genes. They are known as?
Height and skin color are determined by multiple genes and are referred to as polygenic traits. These traits result from the cumulative effects of several genes, each contributing to the overall phenotype. This genetic complexity leads to a wide range of variations in height and skin color within populations.
What color are skin cells?
purple
Why do skin cells not produce insulin?
because they haven't got the right genes
What determines skin color in mixed kids?
Skin color in mixed children is determined by a combination of genetic factors inherited from both parents. These factors include variations in the genes responsible for producing melanin, the pigment that gives skin its color. The specific combination of genes inherited from each parent will influence the skin color of a mixed child.
Would skin cells capable of producing other skin cells?
No. the skin cells wouldn't be capable of producing other skin cells. No nuclei are found in the cells of the outermost layer of your skin. A company claims that its moisturizer can restore and rejuvenate these cells.
