SEX-CHROMOSOME ANEUPLOIDIES 

The most common aneuploidies seen in living humans.

Aneuploidy of the human sex chromosomes is better tolerated than aneuploidy of autosomes.

AUTOSOMAL ANEUPLOIDIES

There is no mechanism of dosage compensation for autosomes.

TLS Online TPP Program

#Id: 10150

#Unit 6. System Physiology – Plant

Strigolactones, which occur in about 80% of plant species, are a group of terpenoid lactones

TLS Online TPP Program

#Id: 10151

#Unit 6. System Physiology – Plant

D27, a carotenoid isomerase, and CCD7 and CCD8, which are carotenoid cleavage dioxygenases synthesizes strigolactone

TLS Online TPP Program

#Id: 10152

#Unit 6. System Physiology – Plant

Strigolactones are perceived by a protein complex containing an a-/b-fold hydrolase protein and an F-box protein (D14 and MAX2, respectively)

TLS Online TPP Program

#Id: 10153

#Unit 6. System Physiology – Plant

Strigolactone promote symbiotic interactions with arbuscular mycorrhizal fungi, facilitating phosphate uptake from the soil.

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#Id: 10154

#Unit 6. System Physiology – Plant

Strigolactones suppress shoot branching and stimulate cambial activity and secondary growth

TLS Online TPP Program

#Id: 10155

#Unit 6. System Physiology – Plant

Strigolactones have analogous functions in roots, where they reduce adventitious and lateral root formation and promote root hair growth.