1
Q
exon
A
the coding or expressed region of DNA
2
Q
intron
A
the non coding region of DNA
3
Q
operon
A
a group of genes that function as a single transcription unit
4
Q
transcription factor
A
protein or short non coding RNA that can combine with a specific site on a lenght of DNA and inhibit or activate transcription of the gene
5
Q
apoptosis
A
programmed cell death
6
Q
conserved
A
has remained in all descendant species throughout evolutionary history
7
Q
homeobox sequence
A
sequence of 180 base pairs (excluding introns) found within genes that are involved in regulating patterns of anatomical development in animals. fungi and plants
8
Q
what are Hox genes
A
subset of homeobox genes found only in animals involved in formation of anatomical features in correct locations of body plans
6.1.1 cellular control
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