Which describes the ABO blood group system?
A) Incomplete dominance
B) Multiple alleles
C) Pleiotropy
D) Epistasis
Ans: B) Multiple alleles
You might also like to view...
In a normal cell, tumor suppressors are responsible for (select all correct choices):
A. increasing the rate of cell division. B. correcting replication errors. C. signaling death in a highly defective cell. D. signaling the initiation of DNA replication.
Which of the following statements about genomic libraries and cDNA libraries is TRUE?
A. A cDNA library is derived from chromosomal DNA. B. A genomic library is derived from mRNA. C. A genomic library is made using reverse transcriptase. D. A genomic library is derived from mRNA and is made using reverse transcriptase. E. A cDNA library is derived from mRNA and is made using reverse transcriptase.
Suppose a cell's membrane is permeable to water, but not to Na+ or Cl? or any other solute. The NaCl concentration is
higher outside the cell than inside the cell, and the osmolarity of the cell is higher than that of the solution surrounding the cell. What will occur?
a. Overall, the cell will lose water. b. Overall, the cell will take up water, Na+, and Cl?. c. Overall, the cell will take up water. d. Overall, the cell will take up water and lose Na+ and Cl?. e. Overall, the cell will lose water and take up Na+ and Cl?.
Which sugar is found in breast milk?
a. fructose b. galactose c. glucose d. lactose e. sucrose