Which of the following is a disease caused by a pleiotropic gene?
a. sickle-cell anemia
b. pernicious anemia
c. aplastic anemia
d. iron deficiency anemia
e. hemolytic anemia
v
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Fly species W, found in a certain part of the island, produces fertile offspring with species Y. Species W does not produce fertile offspring with species X or Z. If no other species can hybridize, then which of the following statements about species W
and Y are true? I) Species W and Y have genomes that are still similar enough for successful meiosis to occur in hybrid flies. II) Species W and Y have more genetic similarity with each other than either did with the other two species. III) Species W and Y may fuse into a single species if their hybrids remain fertile over the course of many generations. A) Only I is correct. B) Only II is correct. C) Only III is correct. D) I, II, and III are correct.
Which of the following adhesive molecules are found in animal tissues?
A. cadherins and integrins B. pectins C. cadherins D. integrins E. cadherins, integrins, and pectins
During rest which structure will act as a reservoir and hold the majority of the body's blood supply?
a. Arteries b. Liver c. Heart d. Spleen e. Veins
Assume that a dihybrid cross (AaBb × AaBb) is made in which the gene loci are autosomal, independently assorting, and incompletely dominant. What phenotypic ratio would you expect from such a cross? Just provide the ratio, not the phenotypes
What will be an ideal response?