Biology, 02.08.2019 00:10 saniyawilliams1207
The skin of the bright orange south american toad secretes a lethal neurotoxin. assume that the toxin is produced by an enzyme encoded by a gene that has two alleles: t (dominant, wild-type enzyme/toxin) and t (recessive, no enzyme/toxin produced). the neurotoxin is secreted by means of a protein s produced by the wild-type gene s. the recessive allele s does not produce protein s (thus no secretion of the toxin can occur). a toad that cannot manufacture the enzyme/toxin and is heterozygous for the secretion gene is mated with a toad that cannot secrete the toxin and is heterozygous for the enzyme/toxin gene. what fraction of the progeny will be poisonous to the touch, that is, able both to manufacture and to secrete the toxin? use probability to solve the problem.
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Step 1 review the imaginary strand of dna below. note the complementary base pairs. a g c a a t c c g t c t t g g t c g t t a g g c a g a a c c step 2 to begin replicating this strand of dna, draw the two sides of the strand separating. step 3 now, draw the free-floating bases linking up with the separate sides. remember to follow the rules of complementary base pairing. step 4 draw the two resulting dna strands.
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The skin of the bright orange south american toad secretes a lethal neurotoxin. assume that the toxi...
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