You have a series of cells, all of which were derived from tumors, and you first need to find out which ones are malignant. What could you do?
A) See which ones are not overproliferating.
B) Find out which ones have a higher rate of apoptosis.
C) Karyotype samples to look for unusual size and number of chromosomes.
D) Measure metastasis.
E) Time their cell cycles.

Question

Quizplus · Accepted Answer

Karyotyping can reveal any chromosomal abnormalities that are associated with malignant tumors. Malignant tumors frequently demonstrate an abnormal number and size of chromosomes when compared to normal, non-cancerous cells.

Answer: D
 Measuring metastasis is a good way to determine if the cells are malignant. Malignant tumor cells often metastasize, spreading throughout the body and forming new tumors. However, this option is not practical for in vitro experiments.

You Have a Series of Cells, All of Which Were