An interaction between two species in which one
species benefits and the other species is harmed is
a. mutualism.
b. commensalism.
c. competition.
d. predation.
e. none of these.
Answer: d
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Explain the hypersensitive response
What will be an ideal response?
According to Mendel's law of equal segregation, an Aa monohybrid makes two types of gametes with equal frequency. These two gamete types are:
A) AA and aa B) A and a C) Aa and aa D) AA and Aa
DNA analysis to determine genetic identity applies
A) Mendel's law of independent assortment and the product rule. B) Mendel's law of segregation and the product rule. C) the law of polymorphism. D) Darwin's mathematical principles.
The infinite variety of antibodies that can be generated by B cells is due to:
a. the infinite variety of genes in these cells b. the use of gene segments to produce an infinite variety of proteins c. the recombination of genes due to crossing over d. random mutations e. modifying the protein after an antigen is detected