Answer:
The correct answer will be option-C.
Explanation:
A karyotype is the visual representation of the chromosome numbers present in a cell of an organism.
The karyotyping is a technique performed to prepare the karyotype of the organism which plays an important role in analyzing the chromosomal abnormalities of the organism.
The analysis of the chromosomal abnormalities helps us study the genetic disorder and diagnose genetic disease. The karyotyping is performed during pregnancy which helps visualize the disease in a family with a history of genetic disorders.
Thus, Option-C is the correct answer.