Suppose a large population exists on a continent, and a new population is formed by the migration of a few individuals to an island some distance away
The fact that the alleles being carried to this island are not going to be a complete and representative set, as compared to the continental population, is a case of genetic drift known as the ________. [two words] Fill in the blank(s) with correct word
founder effect
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You are working in a laboratory that is studying a newly isolated virus. Your job is to culture the virus using in vitro methods. Upon observing your inoculated tissue culture specimen one day, you notice clumps of cells growing on top of the original monolayer of cells. Microscopic analysis of stained cells from the culture reveal an alteration in host cell membrane protein content and chromosomal structure. Based upon this information, you hypothesize that the virus you are studying is ________.
A. a viroid B. an oncovirus C. a bacteriophage D. a prion E. a satellite virus
Nucleotide substitutions are mutations that alter the ____________________, but not the ____________________, of nucleotides in a DNA molecule
Fill in the blank(s) with correct word
A homologous pair of mitotic chromosomes will possess _______ alleles for each locus.
A. 2 B. 4 C. 8 D. 1 E. 50% of the
Select all of the following statements that describe the structure of a molecule of DNA.A) twisted double helixB) single-strandedC) contains the nitrogenous bases, adenine, thymine, cytosine, and guanineD) contains deoxyribose sugarE) contains the nitrogenous bases adenine, uracil, cytosine, and guanine
What will be an ideal response?