Small, variable regions of DNA that may change an individual's susceptibility to disease are called SNPs (single nucleotide polymorphisms).
Answer the following statement true (T) or false (F)
True
Small, variable regions of DNA that may change an individual's susceptibility to disease are called SNPs (single nucleotide polymorphisms).
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Let R = red pigment and r = no pigment. In carnations, RR offspring make a lot of red pigment, rr offspring make no pigment and Rr offspring make a small amount of red pigment, thus appearing pink. Pink carnations are therefore an example of
A. codominance. B. incomplete dominance. C. epistasis. D. pleiotropy.
The insect symbiont Wolbachia can be used to suppress disease transmission by mosquitoes because
A) Wolbachia supplies essential nutrients to the mosquito Culex quinquefasciatus. B) only Wolbachia-infected mosquitoes can transmit viral diseases such as dengue fever. C) Wolbachia infections can spread rapidly through a mosquito population, killing all the mosquitoes. D) Wolbachia-infected male mosquitoes sterilize uninfected female mosquitoes.
Why would bacteria evolve so that the presence of tryptophan inhibits its own production?
A. Producing the enzymes that synthesize tryptophan is metabolically expensive, so it is wasteful to make them when tryptophan levels are high and its synthesis is not necessary. B. Producing high levels of tryptophan inhibits the production of other amino acids, so inhibiting its production allows all amino acids to be synthesized at equal concentrations. C. High levels of tryptophan causes cells to become unresponsive to external stimuli, so its production must be regulated. D. High levels of tryptophan inhibit cellular respiration and the synthesis of ATP, so its production must be regulated. E. All of these choices are TRUE
A branch of genetics known as ____________________ studies genetic variations that underlie differences in the
body’s response to drugs, while ____________________ is focused on the development of drugs that are tailored to an individual’s genetic makeup. Fill in the blank(s) with the appropriate word(s).