A cell biologist produces a karyotype of mouse somatic cells arrested in mitosis.  She sees 40 chromosomes, which is completely normal for mice.  Based on this information, what is the haploid number of chromosomes for mice?

A. 20
B. 40
C. 80
D. 10
E. It cannot be determined from the information provided.


Answer: A

Biology & Microbiology

You might also like to view...

Which of the following is true of carbon?

A) It forms only polar molecules. B) It can form a maximum of three covalent bonds with other elements. C) It is highly electronegative. D) It can form both polar and nonpolar bonds.

Biology & Microbiology

The substances that donate electrons to the electron transport chains of chemolithotrophs are ________.

A. lipids B. carbohydrates C. inorganic compounds D. methane gas and alcohols

Biology & Microbiology

Describe the general structure of a transcription factor

What will be an ideal response?

Biology & Microbiology

Chelicerates include the extinct trilobites, the modern-day horseshoe crab, and

A. lobsters. B. nematodes. C. insects. D. spiders and mites.

Biology & Microbiology