Dominant traits tend to be observed more frequently because

The allele for red color (R) and the allele for white color (r) are both expressed and seen in the hybrid.

Co-dominance: Both alleles for a specific trait are completely expressed.

Using flower color in tulips as an example, the allele for red color (R) does not totally mask the allele for white color (r).

Incomplete Dominance: One allele for a specific trait is not completely expressed over its paired allele.

Some differences between the two are listed below: While they are both patterns of inheritance, they differ in gene expression. People tend to confuse incomplete dominance and co-dominance relationships. Pink / Peter Chadwick LRPS/Moment/Getty Images - Red and white / Sven Robbe/EyeEm/Getty Images Incomplete Dominance vs. In the red and white tulip, both alleles are completely expressed. The pink tulip color is a mixture of the expression of both alleles (red and white), resulting in an intermediate phenotype (pink). Individuals with sickle cell anemia are homozygous recessive for the sickle hemoglobin gene and have the disease. This means that both normal red blood cells and sickle-shaped cells are produced in carriers of the sickle cell trait. They do not have the disease because the sickle hemoglobin allele and normal hemoglobin allele are co-dominant with regard to cell shape. Those that carry the sickle cell trait are heterozygous for the sickle hemoglobin gene, inheriting one normal hemoglobin gene and one sickle hemoglobin gene. Sickle-shaped cells often become stuck in blood vessels blocking normal blood flow. This hemoglobin is abnormal and causes blood cells to take on a sickle shape.

Sickle cell is a result of a mutation in the hemoglobin gene. Hemoglobin helps red blood cells bind to and transport oxygen to cells and tissues of the body. Normal red blood cells have a biconcave, disc-like shape and contain enormous amounts of a protein called hemoglobin. Sickle cell disorder results from the development of abnormally shaped red blood cells. An example of co-dominance is seen in individuals with the sickle cell trait. This results in a third phenotype in which more than one phenotype is observed. In co-dominance relationships, neither allele is dominant, but both alleles for a specific trait are completely expressed. SCIEPRO/Science Photo Library/Getty Images This image shows a healthy red blood cell (left) and a sickle cell (right). This indicates that the allele for one phenotype is expressed slightly more than the allele for the other phenotype. For example, an individual with wavy hair may have more or fewer waves than another with wavy hair. In incomplete dominance, one characteristic may be slightly more observable than another for a given trait. The dominant curly characteristic is not fully expressed over the straight characteristic, producing the intermediate characteristic of wavy hair.

An individual who is heterozygous for this trait will have wavy hair (Cc). Curly hair type (CC) is dominant to straight hair type (cc). An example of incomplete dominance is seen in hair type inheritance. This results in a third phenotype in which the observed characteristics are a mixture of the dominant and recessive phenotypes. In incomplete dominance relationships, one allele for a specific trait is not completely dominant over the other allele. Heterozygous dominance relationships that are typically seen in animal cells includeВ complete dominance, incomplete dominance, and co-dominance.Д¬urly hair type (CC) is dominant to straight hair type (cc). When the paired alleles for a trait are different or heterozygous, several possibilities may occur. When the allele pairs are theВ same, the genotypeВ for that trait is identical and the phenotypeВ or characteristic that is observedВ is determined by the homozygous alleles. Paired alleles can be homozygousВ (having identical alleles) or heterozygousВ (having different alleles) for a given trait. For each characteristic or trait, animal cellsВ typically inherit two alleles. They are passed on from one generation to the next through sexual reproduction.В The gene for a specific trait can exist in more than one form or allele. Genes are segments of DNAВ located on our chromosomes. As discovered by Gregor Mendel, traits are inherited by the transmission of genesВ from parents to their offspring. Have you ever wondered why you have that particular eye color or hair type? It's all due to gene transmission.

Dominant traits tend to be observed more frequently because