Question

what is a karyotype?
a. a substance that causes mutations
b. a way to test for chromosomal mutations
c. the total number of mutations in a gene
d. the result of mutations in a genotype

Explanation:

A karyotype is a visual representation of an individual's chromosomes, arranged by size, shape, and banding pattern. It is used to detect chromosomal abnormalities such as extra or missing chromosomes, translocations, and inversions, which are types of chromosomal mutations.

Answer:

B. A way to test for chromosomal mutations