Chromosomal Disorder

The cause of chromosomal disorders is absence or excess of abnormal arrangement of one of more chromosomes. Analysis of karyotypes is used to study the chromosomal disorders. l(aryotype is defined as the profile of an individual's chromosomes that are arranged according to their shape, size and number. Case - Sarika encountered a teenager with short stature and a small round head, furrowed tongue and partially open mouth The palm of the person is broad with characteristic palm crease. She has a doubt that the individual might be suffering from a Chromosomal disorder. On the basis of your reading, answer the following questions: Name the syndrome from which the given individual might be suffering. Describe it along with its symptoms.

(a) How does a chromosomal disorder differ from a Medelian disorder? (b) Name any two chomosomal abberation associated disroders. (c) List the chomosal abbeatin associated disorders. (c) Lis the characteristics of the disorders mentioned above.

(i) List the chromosomal disorders a human may suffer from if karyotype analysis of the individual shows 47 chromosomes instead of normal 46 (ii) Explain the cause that results in the gain of chromosome number. (iii) Mention the symptoms of any one the disorders an individual can suffer from

Principle OF Inheritance and Variations : Pleiotropy, Chromosomal Theory OF Inheritance, Sex Determination, Experimental Genetics T.H Morgan Drosophila, Melanogaster. Mutations, Genetic Disorder 1.Chromosomal Disorders 2.Mendelian Disorders

Name technique by which one can detect any possible chromosomal or metabolic disorder in developing foetus in a pregnant woman

The dorminant autosomal disorder due to an allele on short arm of chromosome 4 is

What is numerical chromosomal mutation?Give its three genetic disorder?