Tetrads fail to separate correctly during anaphase in this process.

a. Crossing-over
b. Inversion
c. Translocation
d. Nondisjunction
e. Deletion


Ans: d. Nondisjunction

Biology & Microbiology

You might also like to view...

The multicellular sex organs in plants are known as:

a. gametes. b. spores. c. gametangia. d. fruits. e. sperm.

Biology & Microbiology

Virtually all enzymes are:

A) carbohydrates. B) nucleic acids. C) proteins. D) substrates.

Biology & Microbiology

Before being loaded into the phloem for translocation, the carbohydrates produced during

photosynthesis must be converted into which molecule? a. glucose b. fructose c. maltose d. sucrose e. galactose

Biology & Microbiology

A spider and an insect are both arthropods, but they have some different characteristics. Choose the descriptions that are true for BOTH a spider and an insect. Check all that apply.

A. They are members of Ecdysozoa. B. They have a head, a thorax, and an abdomen. C. They have sensory antennae. D. They have an open circulatory system. E. They have metamorphosis. F. Some species are carnivorous and some are herbivorous. G. They have spinnerets. H. They have a chitinous exoskeleton. I. They molt.

Biology & Microbiology