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Which of these is NOT an advantage of gene regulation?

A. allows the organism to respond to the environment

B. allows for cellular diferentiation

C. allows different genes to be turned on during development

D. allows sex differentiation to occur earlier in development

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Jarrod Robel
Jarrod RobelLv2
28 Sep 2019

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Related questions

12. (Problem 11) Which of the following correctly outlines the role of alternative splicing in the control of sex differentiation in Drosophila?
A. Alternative splicing early in embryonic development allows males and females to produce distinct products from the same genes, leading to sexually dimorphic flies.
B. Alternative splicing allows male flies to produce sperm with either an X or a Y chromosome, causing sex differentiation.
E. Alternative splicing generates X:A ratio of 0.5 in females and X:A ratio of 1.0 in males, where Tra protein mediated splicing only takes place in males.
D. Alternative splicing can only occur in fully differentiated cells and therefore cannot contribute to sex differentiation.
C. Female flies alternatively splice mRNA from the male pronucleus to determine if the zygote will develop as a male or female

Most biologists argue that the regulation of gene expression isconsiderably more complex in eukaryotes than in bacteria. List thefour factors that in your view make the largest contribution tothis perception.

Select the four correct statements.

1. The coordinated regulation of sets of genes devoted to a singlefunction (e.g. metabolic pathways) allows minimal wasting of acell's resources on unneeded proteins and metabolites.
2. Multicellularity and cell-type specificity is frequent ineukaryotes and requires organisms to regulate large suites of genesin a cell-type-specific manner.
3. The chromatin structure of eukaryotic genomes allows thedifferential packaging of genes to be used in regulation.
4. Posttranslational processing of proteins allows cells toregulate the function of proteins after their synthesis by covalentmodification, transport, or both.
5. The extensive use of attenuation allows eukaryotes to fine-tunetranscriptional activity of a cell according to environmentalsignals.
6. Eukaryotic cells possess a nucleus, which separatestranscription from translation and allows RNA processing andtransport to be used in regulation.
Which of the following CORRECTLY outlines the role ofalternative splicing in the control of sex differentiation inDrosophila?
Female flies alternatively splice mRNA from the male pronucleusto determine if the zygote will develop as a male or female.
Alternative splicing allows male flies to produce sperm witheither an X or a Y chromosome, causing sex differentiation.
Alternative splicing early in embryonic development allowsmales and females to produce distinct products from the same genes,leading to sexually dimorphic flies.
Alternative splicing can only occur in fully differentiatedcells and therefore cannot contribute to sex differentiation.
Alternative splicing generates X:A ratio of 0.5 in females andX:A ratio of 1.0 in males, where Tra protein mediated splicing onlytakes place in males.

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