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

Biology & Microbiology

You might also like to view...

Photosynthetic parenchyma is called __________. Fill in the blank(s) with the appropriate word(s)

Biology & Microbiology

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

Biology & Microbiology

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

Biology & Microbiology

The Island of Krakatau has provided an ideal setting for studies of which kind of succession?

A) primary B) secondary C) tertiary D) quaternary

Biology & Microbiology