Genes tell your body how to grow and work. They are passed down from parents to children. Genes control everything in your body. They control things like your eye color and height. Scientists think they might control how well you play sports. This is called your athletic ability. But ...
In other words, the directions are masked, and you might not know which way to go. This metaphor is also a way of looking at gene regulation. However, when it comes to genes, it isn't a layer of dirt and metal obstructing the way. It could be one (or more) of a variety of ...
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How are chromatin, chromosomes, and DNA related?Question:How are chromatin, chromosomes, and DNA related?ChromosomesThe chromosomes of a cell are in the cell nucleus. They carry genetic information. Each chromosome contains many genes. When they duplicate, chromosomes look like the letter "X".Answ...
What test can you use to determine if two genes are linked? How is probability related to genetics and heredity? My Ancestry DNA results are, 9% Irish and 15% British. No one in my family has the slightest idea of where my Irish or British DNA stems from. How far back does this eth...
Complex organisms, like plants and animals, have 50,000 to 100,000 genes on many different chromosomes (most humans have 46 chromosomes). In the cells of these organisms, the DNA is twisted around bead-like proteins called histones. The histones are also coiled tightly to form chromosomes, wh...
small things called "genes"(基因) in our body.In 1953,two scientists,Watson and Crick,found out that those small parts are really messages.They're written in the DNA with a special language.In 1961,another two scientists found the first "word" that they could understand in that language....
Related: DNA paternity tests: how they work and how to do one "Genetic tests for these multifactorial traits are based on statistical calculations: they are probabilistic and often very tricky to interpret. Height, for example, depends on hundreds of genes, each contributing a little to the out...
This paper used DNA microarray analysis to identify the genes lost in attenuation of BCG, providing a comprehensive list of genes that are absent in BCG and present in M. tuberculosis , which constitute potential candidate antigens for vaccination. Article CAS PubMed Google Scholar Horwitz, M....
Genes with functions such as enzymes, transporters and transcription factors often survive in duplicate. However, the mechanism of duplication is important: genes that are part of complex cellular networks are more easily duplicated by whole-genome duplication (WGD) than by small-scale duplication (SS...