human genetics

Which one of the following techniques is employed in human genetic counselling

Which one of the following techniques is emloyed in human genetic counselling ?

Name a human genetic disorder to the following: (a)An additional X chromosome in male . (b)Deletion of one X chromosome in a female

Consider the following humans genetic disorders due to recessive genes on autosomal chromosomes and choose which ones are (I) Sickle-cell anaemia (II) Phenylketonuria (III) Haemophilia (IV) Tuberculosis

Assertion :- In human genetic, pedigree study provides a strong tool, which is utilized to trace the inheritance of a specific trait, abnormality or disease. Reason :- The controlled crosses that can be perfoemed in pea plant or same other organism, are not possible in case of human beings.

Human genetic at metaphase may be karyotyped.

The human species has genetic roots in :

Mention the cause of ADA deficiency in humans. How has genetic engineering helped patients suffering from it ?