Genetics is the study of heredity and variations. Heredity and variations are controlled by genes—what they are, what they do, and how they work. Genes inside the nucleus of a cell are strung together in such a way that the sequence carries information: that information determines how living organisms inherit various features (phenotypic traits). For example, offspringproduced by sexual reproduction usually look similar to each of their parents because they have inherited some of each of their parents' genes. Genetics identifies which features are inherited, and explains how these features pass from generation to generation. In addition to inheritance, genetics studies how genes are turned on and off to control what substances are made in a cell—gene expression; and how a cell divides—mitosis or meiosis.
Some phenotypic traits can be seen, such as eye color while others can only be detected, such as blood type or intelligence. Traits determined by genes can be modified by the animal's surroundings (environment): for example, the general design of a tiger's stripes is inherited, but the specific stripe pattern is determined by the tiger's surroundings. Another example is a person's height: it is determined by both genetics and nutrition.
Chromosomes are tiny packages which contain one DNA molecule and its associated proteins. Humans have 46 chromosomes (23 pairs). This number varies between species—for example, many primates have 24 pairs. Meiosis creates special cells, sperm in males and eggs in females, which only have 23 chromosomes. These two cells merge into one during the fertilization stage of sexual reproduction, creating a zygote. In a zygote, a nucleic acid double helix divides, with each single helix occupying one of the daughter cells, resulting in half the normal number of genes. By the time the zygote divides again, genetic recombination has created a new embryo with 23 pairs of chromosomes, half from each parent. Mating and resultant mate choice result in sexual selection. In normal cell division (mitosis) is possible when the double helix separates, and a complement of each separated half is made, resulting in two identical double helices in one cell, with each occupying one of the two new daughter cells created when the cell divides.
Chromosomes all contain DNA made up of four nucleotides, abbreviated C (cytosine), G (guanine), A (adenine), or T (thymine), which line up in a particular sequence and make a long string. There are two strings of nucleotides coiled around one another in each chromosome: a double helix. C on one string is always opposite from G on the other string; A is always opposite T. There are about 3.2 billion nucleotide pairs on all the human chromosomes: this is the human genome. The order of the nucleotides carries genetic information, whose rules are defined by the genetic code, similar to how the order of letters on a page of text carries information. Three nucleotides in a row—a triplet—carry one unit of information: a codon.
The genetic code not only controls inheritance: it also controls gene expression, which occurs when a portion of the double helix is uncoiled, exposing a series of the nucleotides, which are within the interior of the DNA. This series of exposed triplets (codons) carries the information to allow machinery in the cell to "read" the codons on the exposed DNA, which results in the making of RNA molecules. RNA in turn makes either amino acids or microRNA, which are responsible for all of the structure and function of a living organism; i.e. they determine all the features of the cell and thus the entire individual. Closing the uncoiled segment turns off the gene.
Ans1.Discuss the difference between "Appropriation" and "Memeification" in the article from I Care If You Listen.
2.Read the article from Variety and explain how Erroll Garner's lawsuit was an important first step for black artists.
3.Read the New York Times article and discuss some of the ways that black music has been presented through non-black artists. Describe the example of a BLACK performer performing in "blackface". Describe Nat King Cole's experience in performing on TV.
4.Discuss the nature of the pushback that Elvis Pressley experienced by some white listeners. Give some examples of the appreciation he had with some black listeners.
5.Watch the Grapevie video and discuss five different viewpoints about Bruno Mars' cultural and musical appropriation.
Explanation:
Bruno Mars found himself caught in a heated debate about cultural appropriation over the weekend after an activist accused the "24K Magic" star of being a culture vulture profiting off of traditionally black music.
"Cultural appropriation," according to the Cambridge Dictionary, is "the act of taking or using things from a culture that is not your own, especially without showing that you understand or respect this culture."
Bruno Mars' mother is Filipina and his father is Puerto Rican and Jewish
But the Grammy-winning star is known for blending elements of funk, soul, R&B, regg
Answer:
There are no options, soo...I'm gonna wing it...
Explanation:
No there is no single definition for art. Art is an individual's representation of a feeling, mood, or idea. Because every person is different, every definition or idea of art is bound to be different. No piece of art is exactly like another. If there were only one definition for art, no art would be unique. Hope this helps :)
