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We also inherit the traits and habits of our grandparents and other.
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no we only inherit the traits and habits of our grandparents not of others
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Has anyone ever told you that you look just like one of your parents or grandparents? Some characteristics, such as the shape of your hairline or whether your earlobes are attached or detached, are inherited. In this activity you'll get to see how writing some characteristics onto a family tree can help you determine just how you inherited them. You will likely discover some characteristics that you got from your dad's side of the family, and for this Father's Day you can thank him for giving them to you!
When we look at members of a family it's easy to see that some physical characteristics, or traits, are shared. In the 1860s botanist Gregor Mendel discovered that in pea plants some physical features, such as flower color, are passed down in clear and predictable patterns. Today we know that offspring inherit their DNA from both parents—half from each. This results in two copies of every gene, which is composed of a variety of pairs of DNA. Many genes come in different versions, called alleles. Alleles are differences in the DNA sequence of a gene. If you have two identical alleles, you are said to be homozygous for that gene whereas if you have two different alleles you're heterozygous.
Some alleles are dominant, meaning that if you have one copy of that allele you will display that trait. Other alleles are recessive, meaning you need two copies of that allele to display the trait. For example, Mendel took pea plants that were homozygous for different traits and crossbred them. When crossing homozygous purple flowered plants to homozygous white flowered plants, the offspring (which were heterozygous) had purple flowers. The purple allele was dominant and the white one was recessive. When the heterozygous purple-flowered offspring were crossed with one another, some of their offspring would wind up with two copies of the recessive allele, giving them white flowers.