How many chromosomes do each sperm and each ovum have?
A) 23 pairs of chromosomes
B) 23 chromosomes
C) 46 pairs of chromosomes
D) 46 chromosomes
E) 2n chromosomes
B
You might also like to view...
The ____________________ is the volume of blood pumped by each ventricle/minute
Fill in the blank(s) with correct word
A muscle that inserts on the body of the mandible is probably involved in
A) kissing. B) blowing. C) chewing. D) frowning. E) spitting.
The arm is attached to the thorax by the
A. pectoralis major and teres major. B. supraspinatus and latissimus dorsi. C. pectoralis minor and pectoralis major. D. latissimus dorsi and pectoralis major. E. biceps brachii and triceps brachii.
Veins that return blood directly to the heart include the ________.
A. brachiocephalic vein B. superior vena cava C. pulmonary arteries D. azygos vein E. portal vein