What is found when alleles among different human groups are analyzed?
A) There are no race-specific alleles and no consistent patterns of allele frequencies within racial groups.
B) There are a few race-specific alleles but no consistent patterns of allele frequencies within racial groups.
C) There are many race-specific alleles and several consistent patterns of allele frequencies within racial groups.
D) There are no race-specific alleles but several consistent patterns of allele frequencies within racial groups.
A
You might also like to view...
You are a physician, and you suspect your patient has a viral infection that has never been seen in humans. The infection is localized in the cells along the lining of the small intestine
The cells in this area are regularly sloughed off and replaced with new cells; that is, these cells are constantly dividing. When you isolate this new virus and incubate it in culture, you discover that it does not replicate well in cultures that have slowly dividing cells, but it does much more damage in cultures that have actively dividing cells. What do these findings suggest about this new virus? A) It is a double-stranded RNA virus. B) It is a negative-sense, single-stranded RNA virus. C) It is a double-stranded DNA virus. D) It is a single-stranded DNA virus.
During HIV reproduction, spike glycoproteins
A. do not enter the cell with the virus. B. are released into the cytoplasm by cellular enzymes. C. are embedded in the infected cell membrane. D. are assembled into the virus along with reverse transcriptase. E. are embedded in the viral capsid.
Which of the following defends against BOTH bacteria and viruses?
a. interferons b. lysozyme c. NK cells d. plasma cells e. cytotoxic T cells
To be considered living, an organism must minimally consist of
A. atoms and molecules. B. DNA and proteins. C. one or more cells. D. DNA and RNA. E. RNA and proteins.