#Question id: 7503
#General Aptitude
#Question id: 23673
#Unit 13. Methods in Biology
#Question id: 5292
#Unit 8. Inheritance Biology
A transformation experiment is performed with a donor strain that is resistant to four drugs: W, X, Y, and Z. The recipient is sensitive to all four drugs. The treated recipient population is divided up and plated on media containing various combinations of the drugs. The table below shows the results:
|
Drug(s) added |
Number of Colonies |
|
None |
20,000 |
|
WX |
76 |
|
WY |
1324 |
|
WZ |
1976 |
|
XY |
85 |
|
XZ |
69 |
|
YZ |
1564 |
|
WXY |
50 |
|
WXZ |
62 |
|
WYZ |
1354 |
|
XYZ |
48 |
|
WXYZ |
53 |
Following observation are given
A) X gene is obviously quite distant from the other three genes
B) Y gene is obviously quite distant from the other three genes
C) The Order is three closely link gene W Z Y
D) The Order is three closely link gene W X Z
Which of the following combination is correct?
#Question id: 5923
#General Aptitude
What day on 23/04/1990 ?
#Question id: 4615
#Unit 11. Evolution and Behavior
Currently, two of the living elephant species (X and Y) are placed in the genus Loxodonta, and a third surviving species (Z) is placed in the genus Elephas. Assuming this classification reflects evolutionary relatedness, which of the following is the most accurate phylogenetic tree?