As a result of nondisjunction, an individual with Turner syndrome is genotypically XO, lacking one of the sex-determining chromosomes. Taking this into account, the fusion of the gamete containing the extra chromosome with a normal gamete could result in an individual with the genotype
A) XXX.
B) XXY.
C) XYY.
D) A or B
E) A, B, or C
D) A or B
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The C-terminal region of the herpes virus structural protein VP16 transcriptional activation domain was fused to the DNA-binding domain of LexA protein to create a VP16-LexA chimaera
The new gene encoding the VP16-LexA fusion protein was inserted into a plasmid and transferred to yeast, along with a plasmid that contained theGAL1 gene promoter fused to the bacterial ?-galactosidasegene, lacZ. This is experiment A. The new gene encoding the VP16-LexA fusion protein was inserted into a plasmid and transferred to yeast, along with a plasmid that contained theGAL1 gene promoter containing a LexA binding site fused to the bacterial ?-galactosidasegene, lacZ. This is experiment B. Which of the following graphs correctly show the expected levels of GAL1-lacZ fusion gene expression?
Annelids are characterized by serial ________.
Fill in the blank(s) with the appropriate word(s).
Where are the proteins needed for photosynthesis produced? (Select all that apply.)
A) in the cytoplasm B) in the chloroplasts C) in the nucleus D) in the mitochondria
Long term use of Ecstasy can lead to
a. chronic fevers. b. chronic rapid heart rate. c. memory loss. d. kidney failure. e. liver failure.