In rabbits, four alleles exist for the c gene. The wild-type version, C+C+, is expressed as brown fur. The chinchilla phenotype, cchcch, is expressed as black-tipped white fur. The Himalayan phenotype, chch, has black fur on the extremities and white fur elsewhere. Finally, the albino, or “colorless” phenotype, cc, is expressed as white fur. This is an example of which type of inheritance?
a. codominance
b. multiple mutations
c. multiple alleles
d. recessive lethal
c. multiple alleles
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Fungi are particularly adept at infecting
A. protozoans. B. algae. C. animals. D. plants.
The average human ejaculation contains
a. 120,000 to 400,000 sperm. b. 1,200,000 to 4,000,000 sperm. c. 12 million to 40 million sperm. d. 120 million to 400 million sperm. e. 1.2 billion to 4 billion sperm.
A population of deer is sampled. 25 deer are caught and tagged. Two months later, the researchers
return and find that 4 of the 16 deer they observe have tags. This would suggest a total population size of what number? Explain your answer. What will be an ideal response?
Spider crabs are an osmoconforming species, which likely means:
A. they regulate their solute concentration within their environment. B. they have the same solute concentration as their environment. C. they have the same temperature as their environment. D. they regulate their temperature within their environment.