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genetics [2021/01/06 17:03] rapidplatypus [Earwax is not dependable on genetics] |
genetics [2021/09/06 12:11] rapidplatypus [Taste and smell] |
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====== Genetics ====== | ====== Genetics ====== | ||
- | ===== Earwax | + | ==== One gene is not responsible for tongue rolling |
+ | Despite tongue rolling being probably the most commonly-used example of a genetic trait in humans, it is a myth that a single gene is responsible for the skill. Studies demonstrate that tongue rolling is influenced both by genetics and by the environment. [([[http:// | ||
- | It is a myth that earwax is dependent on genetics. A single gene is not responsible for the kind of earwax one has, whether it is wet or dry and what color. The wet wax allele is also not dominant over the dry one. [([[http://udel.edu/~mcdonald/mythearwax.html]])]. | + | ==== The North African blue atlas butterfly ==== |
+ | Humans have only 46 chromosomes. The mammal with the most chromosomes | ||
- | ===== Eumelanin and pheomelanin determine the hair color in humans ===== | + | ==== Eumelanin and pheomelanin determine the hair color in humans ==== |
+ | The amount of eumelanin and pheomelanin determine the hair color in humans. Eumelanin is dark brown, and pheomelanin is reddish. People who have large amounts of pheomelanin have red hair. [([[http:// | ||
- | The amount | + | ==== Theory |
+ | The Drosophila melanogaster is a small insect from the order of flies that lives on rotting fruit. It is an invertebrate organism. Due to its easy breeding, simple crossbreeding | ||
+ | [([[https://www.nature.com/scitable/topicpage/ | ||
+ | ==== Johann Friedrich Miescher ==== | ||
+ | Johann Friedrich Miescher (1844-1895) was a Swiss researcher of cell metabolism and the discoverer of nucleic acids. In 1869, he isolated nucleic acids, which he called nuclein, from oil-soaked bandages of patients. He later discovered that they are found mainly in chromosomes. [([[https:// | ||
- | ===== One gene is not responsible for tongue rolling ===== | + | ==== Taste and smell ==== |
+ | Only three genes are associated with sight, two with hearing and five with taste, while 1000 are associated with smell. [([[https:// | ||
- | Despite tongue rolling being probably the most commonly used example of a genetic trait in humans, it is a myth that a gene is responsible for the skill. The studies demonstrate that tongue rolling | + | ==== Earwax is not dependent on genetics ==== |
+ | It is a myth that earwax is dependent on genetics. A single | ||
+ | |||
+ | ==== Batology ==== | ||
+ | Batology is the science that deals with the study of blackberries. Narrow specialization in the study of this genus serves to understand the very complex variation at the genetic and morphological level of blackberries, | ||
+ | [([[https:// | ||
+ | |||
+ | {{tag> |