Answer:The chromosomes of a cell are in the cell nucleus. They carry the genetic information. Chromosomes are made up of DNA and protein combined as chromatin. Each chromosome contains many genes. ... When they duplicate, chromosomes look like the letter "X".
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Environment can affect the phenotype. for example person A has tall phenotype in his gene but because of he don't eat a good diet like lack of protein or calcium or don't make too much exercise so it affected their phenotype.
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Enzymes and antibodies are proteins.
Amino acids are the building blocks of protein. It is a strong of linearity that can be thousands in length. Moreover, the formation of the amino acid and its system is influenced by its genes’ nucleotides arrangement. <span> </span>
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The Great Plains are where cool dry air meets warm moist air
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