The karyotype of a young patient shows two Barr bodies per cell. What condition might this child have?
A. This child is a normal female.
B. Down syndrome
C. Turner syndrome
D. Triple X syndrome
E. Klinefelter syndrome
Answer: D
You might also like to view...
Photosynthetic parenchyma is called __________. Fill in the blank(s) with the appropriate word(s)
Which best statement describes an element?
a. A substance that cannot burn. b. A substance that is soluble in both acid and base c. A substance that is held together by covalent bonds d. A substance that is composed of more than one kind of atom e. A substance that cannot be broken into simpler substances by chemical reactions
During fertilization in humans, sperm reach the egg by traveling through the vagina, uterus, and fallopian tubes. In which body cavity does the sperm locate the egg ?
A. pleural cavity B. abdominal cavity C. pelvic cavity D. dorsal body cavity (cerebral-spinal) E. pericardial cavity
The Island of Krakatau has provided an ideal setting for studies of which kind of succession?
A) primary B) secondary C) tertiary D) quaternary