The specific place in the ecosystem occupied by an organism is the organism's
A. niche.
B. range.
C. den.
D. habitat.
D. habitat.
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Which polymorphism is most likely to affect an individual's phenotype?
A) An SNP in an intron of a protein-coding gene B) An SSR within a telomeric sequence C) A DIP in an intragenic region between genes D) An SNP in the start codon of a protein-coding gene
Tunicates have which of the following traits?
A. radial symmetry B. incomplete digestive tract C. asymmetry D. pharyngeal slits E. endothermic
A lizard with striped tails is crossed with one having a spotted head, producing normal looking (no
stripes or spots) progeny. What progeny would be expected to be produced by mating one of these lizards with another that had a striped tail and spotted head, if the genes conferring stripes and spots were close together on the same chromosome? a. equal numbers of normal, striped, spotted and striped, and spotted b. 3 striped : 1 spotted c. mostly progeny that are striped or spotted d. mostly progeny that are normal or striped and spotted e. 9 normal : 3 striped : 3 spotted : 1 striped and spotted
If all of the PCR products of a DNA sequence are 4000 bp, then the DNA sequence that was amplified must have been 8000 bp.
Answer the following statement true (T) or false (F)