Miniature wings (Xm) in Drosophila result from an X-linked allele that is recessive to the allele for long wings (XL). Following different cross with resulting progeny were possible

Male parent	Female parent Heterozygous	Male offspring	Female offspring
Long wings XLY	Long wing XL Xm	A	B
Miniature wings XmY	Long wing XL Xm	C	D

Which of the following above offspring is not possible to carry miniature wings?

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#Question id: 4713

#Unit 11. Evolution and Behavior

A farmer uses triazine herbicide to control pigweed in his field. For the first few years, the triazine works well and almost all the pigweed dies; but after several years, the farmer sees more and more pigweed. Which of these statements explains why the pigweed reappeared?

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#Question id: 753

#Unit 1. Molecules and their Interaction Relevant to Biology

The renaturation of regions of complementarity between different nucleic acid strands is known as___________

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#Question id: 3874

#Unit 3. Fundamental Processes

A branched (“lariat”) structure is formed during:

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#Question id: 4657

#Unit 11. Evolution and Behavior

 Which of the following statements most detracts from the claim that the human appendix is a completely vestigial organ?

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#Question id: 5218

#Unit 11. Evolution and Behavior

Several of the different globin genes are expressed in humans, but at different times in development. What mechanism could allow for this?