I think one of the most fascinating things in this world is how we are all constructed with the qualities of our family that has come before us, and how no one person is the same in the way they look, or feel about certain things, or how they are constructed. Causes of differences between individuals include independent assortment, the exchange of genes (crossing over and recombination) during meiosis and various mutational events. ... The second main cause of genetic variation is due to the high degree of neutrality of most mutations. And honestly, thank god! I do not think I could live in a world where every person was the same as the next, with the same bland and material features. That is a world that I'm pretty sure NO ONE would want to live in, or even find ideal in the slightest bit.
When talking about how children inherit certain traits, the traits that are expressed in the child are determined by dominant and recessive genes. If one or both parents pass on a dominant gene to the child, this is the gene that is expressed. However, if both parents pass on recessive genes, then the recessive gene is expressed.
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