If heterochromatic spreading does not reach the new location of the w+ gene, and so the gene remains in the euchromatic region, what phenotype will the cells have?
What will be an ideal response?
red eyes
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Plant hormones produce their effects by _____
I) altering the expression of genes II) modifying the permeability of the plasma membrane III) modifying the structure of the nuclear envelope membrane A) only I B) only II C) only III D) only I and II E) I, II, and III
Which of the following is not a function associated with the cytoskeleton?
A) scaffold for support and maintenance of cell shape B) anchoring site for mRNA during transcription C) cell division D) organizes the organelles within the cytoplasm E) signal transducer
An organism is considered truly eukaryotic when ________
A) its cells cannot survive on their own B) its cells form colonies C) its cells specialize in various tasks D) each cell can carry out all of life's functions
Adult stem cells offer an alternative to embryonic stem cells, but they
A. do not live long enough. B. have insufficient DNA. C. are difficult to identify. D. will not join easily with a vector.