The karyotype of a young patient shows two Barr bodies per cell. What condition might this child have?

A. Turner syndrome
B. Triple X syndrome
C. Down syndrome
D. Klinefelter syndrome
E. This child is a normal female.


B. Triple X syndrome

Biology & Microbiology

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Which one of the following is not required for a plant to grow and reproduce?

A. hydrogen peroxide B. carbon dioxide C. water D. light E. basic nutrients

Biology & Microbiology

Which of the following plants will have a taproot system? a. Oaks b. All of these choices have a taproot

c. Carrots d. None of these choices have a taproot. e. Poppies

Biology & Microbiology

Linkage studies are sufficient to establish the genetic basis of a behavioral trait. Indicate whether the statement is true or false

Biology & Microbiology

Aminoacyl-tRNA synthetases catalyze covalent addition of ________ ________ to tRNAs.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology