A fruit fly’s sex is determined predominantly by the number of X chromosomes in each cell.

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#Id: 10086

#Unit 4. Cell Communication and Cell Signaling

The non-I-domain α subunits recognize RGD motif.

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#Id: 8523

#Unit 2. Cellular Organization

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#Id: 6262

#Unit 8. Inheritance Biology

Gene Interaction with Epistasis

The effect of gene interaction is that one gene masks (hides) the effect of another gene at a different locus.

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#Id: 9797

#Unit 6. System Physiology – Plant

In dark-grown or etiolated plants, phytochrome is present in a red light–absorbing form, referred to as Pr. Pr, which to the human eye is blue, is converted by red light to a far-red light–absorbing form called Pfr, which is blue-green. 

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#Id: 116

#Unit 5. Developmental Biology

Inducer 

the tissue that produces a signal (or signals) that changes the cellular behavior of the other tissue.