You breed a black, long-haired rabbit with a white, short-haired rabbit. All of the offspring have long, black hair. If the genes for hair color and length are closely linked on the same chromosome, what would you expect to see in the F2 generation?
A. 15 black, long-haired: 1 black, short-haired: 1 white, long-haired: 5 white, short-haired
B. 3 black, long-haired: 1 white, short-haired
C. 9 black, long-haired: 3 black, short-haired: 3 white, long-haired: 1 white, short-haired
D. 3 black, long-haired: 9 black, short-haired: 9 white, long-haired: 1 white, short-haired
E. All long-haired black
A. 15 black, long-haired: 1 black, short-haired: 1 white, long-haired: 5 white, short-haired
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The red blood cells of people with sickle cell anemia have abnormal shapes due to ____
a. hemoglobin molecules with mutant beta globin subunits sticking together and forming long fibers in the cytoplasm b. destruction of the hemoglobin molecules c. loss of hemoglobin through leaky cell membranes d. the attachment of phosphate groups to the hemoglobin molecules e. the binding of methyl groups to the heme group of the hemoglobin molecule causing desiccation of the cells
What characteristics apply to developed countries?
A) industrial economies and low individual incomes B) agricultural economies and high individual incomes C) agricultural economies and low individual incomes D) industrial economies and high individual incomes
Answer the following questions true (T) or false (F)
1. All arboviruses are members of the same virus family. 2. Horses and humans are considered "dead-end" hosts for arboviruses. 3. Rodents are a major reservoir for rabies.
A new classification by domains separates prokaryotes into
What will be an ideal response?