How could you genetically modify an animal so that it would distinguish more shades of green?
A) Induce genes to produce a greater number of cone cells in the fovea.
B) Introduce genes for different opsins that respond in the green region of the spectrum.
C) Introduce genes to produce green fluid in the eyeball, because green fluids will not absorb green light.
D) Induce increased production of cGMP to increase opening of cGMP-gated sodium channels.
B
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Genes are physically located within ______.
A. chromosomes B. centrosomes C. kinetochores D. microtubules
Consider a dihybrid cross of two true-breeding Drosophila: a male with red eyes and normal wings and a female with orange eyes and hairy wings. The F1 flies are of two types: orange eye, normal wing males and red eye, normal wing females. What can you conclude about the mutant traits, orange eye and hairy wing?
A: Both traits are recessive. B: The eye color gene is sex-linked. C: The wing hair trait is sex-linked. D: Both A and B E: Both A and C.
In a grassland of Kansas, 1,000 grams of grass are produced per square meter per year by all the different grass species. A theoretical upper limit to the biomass of secondary consumers that can be supported in this ecosystem is
A) 1,000 grams. B) 100 grams. C) 10 grams. D) 0.1 gram. E) 1 gram.
During the prep reaction, oxidation occurs as ___ is removed
Fill in the blank(s) with the appropriate word(s).