Explanation:
Karyotyping is <u>a test to examine chromosomes in a sample of cells</u>. This test can help identify genetic problems as the cause of a disorder or disease.

Answer:
C
Explanation:
I hoped it help u out. Ur welcome :)
the answer is B: It is made up of amino acids.
Answer:
A. soil excavation and disposal. thank you for the answer :)