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What is an example of 2 alleles?

The blue eyed gene and the brown eyed gene in humans.


What is and example of a gene?

An example of a gene is the BRCA1 gene, which is known for its role in hereditary breast and ovarian cancer. This gene provides instructions for making a protein that helps repair damaged DNA and maintain the stability of the cell's genetic material. Mutations in the BRCA1 gene can increase the risk of developing certain types of cancer.


What is an example where gene therapy went wrong?

SCID


What is meant by dominat and ressesivegene give an exampleof each?

A dominant gene refers to a gene that is expressed over another gene in the same position on a chromosome. It will always show its trait in the individual's phenotype if it is present in their genotype. For example, if a person inherits a dominant gene for brown eyes, they will have brown eyes regardless of whether they also have a recessive gene for blue eyes. On the other hand, a recessive gene refers to a gene that is not expressed when there is a dominant gene present. It is only expressed in the phenotype when there are two copies of the recessive gene in the genotype. An example is the gene for blue eyes, which will only be expressed when an individual has two copies of the recessive gene and no dominant gene for brown eyes.


What is a non example of dominant gene?

A non-example of a dominant gene would be a recessive gene, which only expresses its trait when two copies are present (one from each parent). For instance, if the gene for blue eyes is recessive, a person would need to inherit the blue eye gene from both parents to express that trait. In contrast, a dominant gene, such as one for brown eyes, would be expressed even if only one copy is inherited.