Why is thalassemia is categorised as a mendelian disorder? Write the symptoms and explain the cause of disease. How does it differ from sickle-cell anaemia?

Why are thalassemia and hemophilia categorized as Mendelian disorders ? (a) Write the symptoms of these diseases. Explain their pattern of inheritance in humans. ( b) Write the genotypes of the normal parents producing a hemophilic son.

(a) Why are colour blindness and thalassemia categorized as Mendelian disorders ? Write the symptoms of these disease seen in people suffering from them. ( b) About 8 % of human male population suffers from colorblindness whereas only about 0.4% of human female population suffers from this disease .Write an explanation to show how it is possible.

Explain the mechanism of sex determination in birds .How does it differ from that of human beings?

Define fermentation. How does it differ from anaerobic respiration? Explain.

Mention different types of RNA. How does RNA differ from DNA? Explain.

Give the cause and one symptom of the following diseases or disorders of the system : Anaemia

Pic out the correct stataments (I) Haemophilia is a sex-linked recessive disease (II) Down's syndrome is due to aneuploidy (III) Phenylketonuria is an autosomal dominant gene disorder (IV) Phenylketonuria is an autosomal recessive gene disorder (V) Sickle-cell anaemia is an X-linked recessive gene disorder

A patient showed symptoms of sustained high fever, stomach pain and constipation, but no blood clot in stools. Name the disease and its pathogen. Write the diagnostic test for the disease. How does the disease get transmitted?

How does a detritivore differ from a decomposer ? Explain with an example each.

Name a blood related autosomal Mendelian disorder. Why is it called Mendelian disorder? How is the disorder tansmitted from parents to offsprings?