Biology, 12.07.2019 02:00 keidyhernandezm
Two researchers experimentally formed tetraploid frogs by fertilizing diploid eggs from rana porosa brevipoda with diploid sperm from rana nigromaculata. when they mated these tetraploid frogs with each other, most of the offspring that survived to maturity were tetraploid, with chromosome sets of both diploid parent species. based on these results, if this type of tetraploid formed in the wild, what would be the result? (y. kondo and a. kashiwagi. 2004. experimentally induced autotetraploidy and allotetraploidy in two japanese pond frogs. journal of herpetology 38(3): 381-92.)
Answers: 1
Biology, 22.06.2019 02:20
Humans are believed to have evolved in coastal regions in east africa. the region had an abundant supply of fish for early humanoids to eat. when scientists analyze the fads gene they see an interesting pattern. people whose families have lived in this area of east africa for generation show a high level of diversity in alleles for the fads gene. conversely, people whose families had migrated inland a moderate distance from sources of fish showed a much lower diversity for fads gene alleles. additionally, the fads alleles found in people whose family has lived inland for generation are almost all gene alleles which produce fads proteins with a high level of function and activity. how do anthropologists explain this?
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Biology, 22.06.2019 06:00
In "the man in the water," what was the remarkable occurrence that rosenblatt reported?
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Biology, 22.06.2019 09:30
You have just sequenced a new protein found in mice and observe that sulfur-containing cysteine residues occur at regular intervals. what is the significance of this finding? it will be important to include cysteine in the diet of the mice. cysteine residues are required for the formation of α helices and β pleated sheets. cysteine residues are involved in disulfide bridges that form tertiary structure. cysteine causes bends, or angles, to occur in the tertiary structure of proteins.
Answers: 1
Biology, 22.06.2019 09:30
How energy flows through each level in this energy pyramid. is all the matter and energy from one level transferred to the next level?
Answers: 1
Two researchers experimentally formed tetraploid frogs by fertilizing diploid eggs from rana porosa...
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