Your fathers blue eyes are a recessive trait and although you have an allele for blue eyes the dark eye allele that you received from your mother masks the expression of the blue eye recessive allele.Īnalyze some of the human traits of yourself and some of your immediate family members. While many other human traits are controlled by multiple genes which operate in a polygenic manner long eyelashes consist of. If offspring child has the allele of brown eyes its mean that allele of brown eyes is dominant over the allele of black eyes and allele of black eyes is.
Traits such as skin hair or eye colour are determined by genes. The traits due to dominant alleles are always observed even when a recessive allele is present. Recall that in Mendelian genetics one allele is completely dominant and one allele is recessive. There are only a few examples of this in humans. This dominant trait is also called the photo sneeze reflex.Īnd weve got a list of recessive human genes to prove it. Existing among a high percentage of the population long eyelashes are certainly one of the most common dominant genes in humans. Look for similarities and differences between these traits based on dominant and recessive alleles. If an individual is heterozygous for the trait they express the dominant trait. For example if your mom has red hair and your dad has black hair chances are youre going to have black hair because the gene for that color is dominant. These interesting aspects of human genetics are known as.ĭominant And Recessive Genes Worksheet Education Com Biology Worksheet Biology College High School Science Class Interact in what is called a dominant or a recessive manner. There are two or more variations in most ofthe genes called alleles.