Homeobox genes Flashcards

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1
Q

what is an example of an homeobox gene?

A
  • Hox gene
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2
Q

Are homeobox genes, hox genes?

A
  • no, only some
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3
Q

what is homeodomain?

A
  • region of the protein
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4
Q

How do homeobox gene work?

A
  • homeobox gene codes for a homeodomain protein
  • homeodomain protein is a transcription factor
  • regulates expression of other genes
  • can act as an activator (turns on) or as a repressor (turns off) genes that…
  • control the development of body plans
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5
Q

What are body plans?

A
  • organisation of the body
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6
Q

What do we mean by highly conserved by species?

A
  • animals/plants/fungi
  • very old
  • very important
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7
Q

Why highly conserved species important?

A

Mutations would…
- change body plan
- affect the expression of other genes
- likely to be fatal (selected against)

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