Assume that a cross is made between AaBb and aabb plants and that the offspring occur in the following numbers: 106 AaBb, 48 Aabb, 52 aaBb, 94 aabb. These results are consistent with which of the following?
A) linkage with 50% crossing over
B) 100% recombination
C) independent assortment
D) sex-linked inheritance with 30% crossing over
E) linkage with approximately 33 map units between the two gene loci
Answer: E
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Degenerative joint disease (DJD) commonly affects the knee joints because ___________
Fill in the blank(s) with the appropriate word(s).
An herbivore
(a) eats plant material. (b) eats producers. (c) is exemplified by a deer. (d) is all of the above.
Which of the following statements is TRUE?
A.The blood pressure within the glomerular capillaries is fairly constant due to regulation of glomerular arteriole radius. B. The concentration of blood proteins within the Bowman's capsule is faily constant. C. The osmotic pressure within the Bowman's capsule is fairly constant. D. Filtration pressure and rate are normally maintained within a narrow range of values. E. All of the above statements are true.
During cardiovascular shock,
A. the filtration pressure decreases dramatically. B. the kidneys produce large amounts of urine. C. the blood flow to the kidneys increases dramatically. D. both the afferent arteriole and efferent arterial dilate. E. all of the above occur.