The addition rule requires which of the following?
A. More than one outcome (such as two
different genotypes resulting in black fur) can
occur simultaneously in an organism
B. Two outcomes such as having the
genotype BB or Bb. are mutually exclusive in
an organism.
B
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Indicate which of the following are symbiotic relationships: (check all that apply)
_____ Microbes living inside pitcher plants _____ Dodder living on green plant hosts _____ Rhizobia living in legume roots _____ Mycorrhizae _____ Actinobacteria growing on shrubs or trees
Direct repeats can cause mutation when
A) a person encounters a mutagen. B) homologs misalign during meiosis such that the first copy of the gene on one chromosome lies opposite the second copy on the homolog. C) introns are not removed promptly and their sequences are included in the gene product. D) they bond within the same DNA strand, forming loops that disrupt replication enzymes.
The Calvin cycle requires all of the following molecules EXCEPT
a. NADPH. b. ATP. c. CO2. d. rubisco. e. glucose.
The genetic code, which specifies the three-letter codons that specify particular amino acids, is said to be redundant because ________
A) amino acid sequences are produced by different alleles B) it is observed in virtually all know organisms C) one codon can code for more than one amino acid D) phenotypic variation is observed depending on the codon usage E) some amino acids are coded for by more than one codon