The failure of chromosomes to separate during mitosis or meiosis is called

a. genetic displacement.
b. trisomy.
c. crossing over.
d. nondisjunction.
e. disjunction.


D

Biology & Microbiology

You might also like to view...

Mangrove forests are found primarily in

A) tropical areas. B) freshwater areas. C) eutrophic areas. D) cold-water areas.

Biology & Microbiology

A plant, such as an iris, that reproduces asexually most of the time probably

A) forms spores. B) is found in a changing environment. C) lacks the ability to make flowers. D) has offspring that live in the same environment as the parents. E) produces offspring that move into new environments.

Biology & Microbiology

Watson and Crick were the first to ____________.

A. discover DNA’s double helical structure B. discover DNA C. isolate DNA D. build the first DNA model E. clone DNA

Biology & Microbiology

Children in the United States are vaccinated with the (IPV/OPV/PEP) to prevent polio. (Use all uppercase in your answer.)

What will be an ideal response?

Biology & Microbiology