An individual who is homozygous ________
A) expresses the dominant trait
B) carries two different alleles for a gene
C) carries two copies of the same allele for a gene
D) expresses the recessive trait
C
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A (n) ________ vector contains promoters that result in high-level transcription of the gene cloned within a multicloning site.
A. expression B. shuttle C. chimeric D. phage
Human malaria is caused by ________ known species of Plasmodium.
A. two B. many C. four D. five E. one
The ________ zone includes more than 80% of the benthic environment.
Fill in the blank(s) with the appropriate word(s).
Which term refers to a mutualistic symbiosis where fungal hyphae grow between and around plant roots but do NOT penetrate plant root cells?
a. an arbuscule b. an endomycorrhiza c. a lichen d. an ectomycorrhiza