It's useful because you can find out if a trait is dominate or recessive easily. If a trait requires multi genes, its much harder to find out if that trait is recessive or dominate, and also if there are other inhibitors that may effect the gene as well.
Single-gene traits are useful in studying human genetics because they exhibit a clear inheritance pattern, making it easier to trace their transmission through generations. This allows researchers to identify the specific gene responsible for the trait and study its function and impact on human health. Additionally, single-gene traits can provide insights into genetic disorders and help in developing targeted treatments or interventions.
natural selection
Heredity is the passing of traits and features from the parents to the offspring. Hereditary traits can include growth patterns, which can differ from the growth patterns of another race. For example, many Japanese people are shorter than a lot of European people, and Dutch people are considered very tall compared to other Europeans.
There are lots of ways. A simple way is to do a Punnett Square. It's useful in studying independent inheritance patterns (multiple traits that are not on the same chromosome).
its been accumulated by like how plants like go through a faze you know like what it needs water sun. In nature useful traits have been accumulated in plants and animals by selection. Most of the time it is natural and among cultivated plants and domesticated animals, it is man made.
Variation is caused by new genetic mutations in a population which lead to different traits in a population. Evolution selets the most useful of these mutation, eventually leading to prominence of new traits within a species or population, or even new species.
How is caenorhabditis elegans useful in studying genetics?
You might start with this link which is aimed at younger people: http://tiki.oneworld.net/genetics/
microscope or telescope
natural selection
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because they are :)
Marine sediment is useful in studying past climates because the coral and similar things give clues to scientists.
A hammer is useful when putting up a shelf. Studying is useful if you want to get a good grade on a test.
Genetics science of heredity punnett squares are a useful tool for predicting what the offspring will look like when mating.
A quadrat is a small plot that is used in ecology that isolates an area for study. It is useful for studying insects by helping to measure the percentage cover for insect species.
Satellites and ground stations.
rare or unusual events