This cross is not useful to determine if one of the genes is linked to the others. Which gene?
In peas, tall (T) is dominant to short (t), red flowers (R) is dominant to white flowers (r), and wide leaves (W) is dominant to narrow leaves (w). A tall plant that has red flowers and wide leaves is crossed to a short plant that has white flowers and narrow leaves. The resulting progeny are shown in the table.
A) gene T
B) gene R
C) gene W
D) This cross shows that all three genes are linked.
C) gene W
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A researcher is studying fairy shrimp in a desert pond that is also inhabited by spadefoot
toads. How many populations does this represent?
a. one b. two c. three d. four
Bungarotoxin is a lipid found in the venom of snakes that causes muscle paralysis
Indicate whether the statement is true or false.
Over the years, sophisticated plasmid vectors have been developed for use in recombinant DNA technology. List at least two features that have been introduced in particularly useful vectors
What will be an ideal response?
Which statement best describes why oxygen is unloaded in tissue that is highly active?
A) As temperature increases due to increased metabolism, the affinity of hemoglobin for oxygen is decreased. B) As temperature increases, the carbamino effect causes hemoglobin to release oxygen. C) As temperature increases, the Bohr effect causes hemoglobin to release oxygen. D) Highly active tissues produce more carbon dioxide, which competes for the heme groups in hemoglobin, thereby displacing oxygen. E) As temperature increases, the affinity for oxygen to hemoglobin increases, allowing more oxygen to be carried to the tissues.