Incomplete dominance is a condition in plants and people where __________.
A. offspring have an appearance in between the phenotypes of the two parents
B. most heritable diseases arise
C. a single gene impacts more than one characteristic
D. multiple alleles are responsible for an inheritance pattern
A. offspring have an appearance in between the phenotypes of the two parents
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Sxl protein mediates differential expression of genes further downstream in the developmental pathway
In females, active Sxl protein produced from Pm leads toproduction of proteins that facilitate female development—first Tra protein, which then, with Tra-2, facilitates splicing of the mRNA for active Dsx protein. In males: A. the absence of Sxl leads to a different splicing pattern of tra transcripts; a different version of Dsx isproduced that leads to male development. B. transcription from promoter Pe results in acharacteristic splicing pattern and the production of a burst of active Sxl protein. C. only stop codons are recognized, leading to splicing of Tra and overactivity of SxI. D. the start codons are preferentially removed in splicing, causing a premature termination of Dsx translation leading to male development.
Harrison and van Buuren used ____ to reveal the molecular basis of how mycorrhizae transport phosphate
a. proteins b. mRNA c. cDNA d. cRNA e. viruses
Which type of cell found in the nervous system is the most numerous?
A) neuron B) neuroglial cell C) sensory cell D) Schwann cell
In the section "Investigating Life: Size Matters in Fishing Frenzy", a population declines when
A. death rate exceeds reproductive rate. B. reproductive rate exceeds death rate. C. reproductive and death rates are equal. D. smaller animals are selectively removed. E. animals are removed randomly.