DOWN SYNDROME Also known as trisomy 21, is the most common autosomal aneuploidy in humans About 75% of the nondisjunction events that cause Down syndrome are maternal in origin, most arising in meiosis I. 

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#Unit 3. Fundamental Processes

With s subunit, the holoenzyme worked equally well on both types of DNA

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#Id: 7550

#Unit 6. System Physiology – Plant

In the absence of gibberellin, the DELLA proteins positively regulate GID1, GA20ox, and GA3ox (plus signs), and negatively regulate GA2ox (minus sign). Conversely, both bioactive gibberellin and the GID1 receptor enhance DELLA repressor degradation (plus signs), while GA2ox blocks DELLA repressor degradation (minus signs).

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#Unit 10. Ecological Principles

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#Id: 9846

#Unit 6. System Physiology – Plant

cry1, is involved in the setting of the circadian clock in Arabidopsis, whereas cry2 plays a major role in the induction of flowering

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#Id: 3868

#Unit 5. Developmental Biology

In prespore cells, PKA activation occurs by signalling cascade that is activated by SDF-3, which triggers the synthesis of GABA