Female humans have ______.
A. two X chromosomes
B. two Y chromosomes
C. one X and one Y chromosome
D. one X chromosome
Answer: A
You might also like to view...
When someone lets another person know how he/she is doing on a particular skill, he/she is offering that person
a. reflection. b. feedback. c. insight. d. all of these.
You see a photo of someone jumping rope, with the rope behind him. Although it is possible that there are two different ropes, since you cannot see the whole thing, you assume that the person is holding one continuous rope. This illustrates ______.
A. similarity B. good continuation C. closure D. simplicity
A condition in which incoming light focuses behind the retina, leading to difficulty focusing on close-up objects, common in older adults, in whom the lens becomes less elastic, is known as ______.
A. presbyopia B. myopia C. cataracts D. macular degeneration
At approximately what point do human cells stop dividing and replicating?
A) After 8 divisions B) After 25 divisions C) After 50 divisions D) After 100 divisions