You will only have blue eyes if you receive recessive allele from both parents. You will still have brown eyes if you receive one recessive allele (b) and one dominant allele (B). The thing is that you will have brown eyes if you receive dominant alleles from both parents. It means that if one of your parents has blue eyes and the other one has brown, you are more likely to have brown eyes. When it comes to eye color, the allele for brown eyes (B) is dominant, whereas the allele for blue eyes (b) is recessive. Here's a good example to learn more about dominant and recessive traits.
Dominant traits definition code#
These traits are often visibly expressed and are called phenotypes – the genetic code working behind a trait is called the genotype. When a dominant allele makes pair with a recessive allele, the dominant allele takes charge and determines the traits. The traits of dominant alleles are more likely to be expressed, whereas recessive alleles aren't expressed generally. Between these two alleles, one will be dominant and the other one will be recessive. Each gene has two alleles – one from your mother and the other from your father.
Your genes determine characteristics or traits such as skin, eye, or hair color. In other words, you need to learn more about dominant and recessive traits determined by your genes. The reality is that varied physical features are a result of specific genes as well as their expressions. Have you ever wondered why one of your siblings has inherited your mom's dimples but you have not? Do you have a pimple-free face just like your grandmother, whereas your sister always worries about her oily skin? You know the genes for blue eyes are in your family and your mom has that too but you wonder why you don't have blue eyes.
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