Which nondisjunction disorder must be due to an event in sperm development?
A. XO
B. XXX
C. XXY
D. XYY
E. Trisomy 21
Answer: D
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Discuss the concept and consequences of built-in redundancy as it applies to amino acid sequences, and include an example
What will be an ideal response?
Suppose that you have a cell with a membrane that is permeable to water but not to Na+ or Cl? or any
other solute. There is more NaCl outside the cell than inside the cell, and the osmolarity of the cell is higher than that of the solution surrounding the cell. Which of the following should occur?
a. Overall, the cell should lose water. b. Overall, the cell should take up water, Na+, and Cl?. c. Overall, the cell should take up water. d. Overall, the cell should take up water and lose Na+ and Cl?. e. Overall, the cell should lose water and take up Na+ and Cl?.
How are mammographies disadvantageous?
A. They have a low success rate and are incapable of detecting small tumors. B. They involve exposure to radiation, which increases the risk of cancer. C. They cannot detect cysts and fibroadenoma. D. They can detect cancer only in its advanced stages
The application called multiple strand displacement amplification is a powerful tool because ________.
A. it allows single-cell genomic sequencing that can analyze uncultivated microorganisms B. it provides data on the pathogenic nature of the microorganism C. it provides errorless sequencing results for that microorganism D. it identifies the transcriptome of the microorganism