Topic: Genetics

Sub topic; principles of inheritance

Monohybrid inheritance

albinism

Albinism is absence of pigmentation melanin in human skin/ animals or plants. This pigmentation is responsible for dark colour of the skin. As a result the person has white hair, pink eyes and light skin. In plant are characterized by lack of chlorophyll

It is controlled by a recessive gene. Human showing this disorder must be homozygous recessive. Heterozygous are normal but career.

  

        

Examples

What will be the result of normal man who married an albino woman?

Solution: - 

Let gene for normal be A and Albino be a                 

             

 

Phenotype   -    all are normal (Heterozygous)