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