A mutation in which all or part of a chromosome
is lost is called a(an)
a. duplication
b. deletion.
c. inversion
d. point mutation.

Respuesta :

Answer:

I believe it's d... or b

Explanation:

So I'm pretty confident that it's D seeing how it substitutes or deletes but it's only ONE gene...

Answer:

B

Explanation:

It deletes the chromosome