Natural selection in an animal population results in narrowing of the range of phenotypic variation but no change in the average phenotype. What kind of selection is this population experiencing?

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#Question id: 15852

#Unit 5. Developmental Biology

Which of the following protein  process doublesex pre-mRNA in a female-specific manner?

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#Question id: 15853

#Unit 5. Developmental Biology

In XY cells, the early promoter is not active and there is no early Sxl protein because-

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#Question id: 15854

#Unit 5. Developmental Biology

In which drosophila developmental stage late promoter becomes active?

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#Question id: 15855

#Unit 5. Developmental Biology

In which drosophila developmental stage early promoter becomes active and the Sxl gene is transcribed?

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#Question id: 15856

#Unit 5. Developmental Biology

If the Sxl gene is non-functional in a cell with two X chromosomes, which of the following will not work?

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#Question id: 15857

#Unit 12. Applied Biology

The ability of a plant cell to perform all the functions of development is called__