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quester [9]
3 years ago
9

Hox genes are sometimes called "master switches". They have acquired this nickname because a single Hox gene will turn on (or of

f) several related genes. That means that a single Hox gene cannot have a large effect on phenotype.
A. True

B. False
Biology
1 answer:
Gwar [14]3 years ago
4 0

Answer: B. False

Explanation:

“Hox” genes are a highly conserved group of genes, all of whose products are transcription factors bearing a specific domain (called a ”homeodomain”). The transcriptional activity of a large amount of genes relevant to embryonic development is controlled by regulatory sites which are able to bind to this domain. Changes in the transcriptional activity of even a single Hox gene may thus have dramatic downstream effects on the phenotype, as this will result in several further genes having their transcription either enhanced or suppressed.

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