Animal cells have small mitochondrial genomes 16.6 kb in mammals. There are several hundred mitochondria per cell and each mitochondrion has multiple copies of the DNA.

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#Id: 7413

#Unit 5. Developmental Biology

Wingless protein also acts in an autocrine fashion, maintaining its own expression

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#Id: 7414

#Unit 5. Developmental Biology

The homologue of β-catenin in Drosophila is Armadillo.

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#Id: 7415

#Unit 5. Developmental Biology

The homologue of TGF-β in Drosophila is Dpp.

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#Id: 7416

#Unit 5. Developmental Biology

Two regions of Drosophila chromosome III contain most of homeotic genes: Antennapedia complex Bithorax complex

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#Id: 7417

#Unit 5. Developmental Biology

Antennapedia complex, contains the homeotic genes: Labial (lab)

Antennapedia (Antp)

Sex combs reduced (scr), Deformed (dfd) 

Proboscipedia (pb)

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#Id: 7418

#Unit 5. Developmental Biology

Three protein-coding genes are found in bithorax complex: 

Ultrabithorax (Ubx)

Abdominal A (abdA) 

Abdominal B (AbdB)