Which One of the Following Statements About Homeotic, or Hox

question 7

Multiple Choice

Which one of the following statements about homeotic, or Hox, genes is NOT correct?

• A)Drosophila contain 8 Hox genes arranged in two clusters, the Antennapedia complex and the Bithorax complex.
• B)Hox genes are arranged in order according to their relationship with the anterior-posterior segmentation.
• C)Timing of expression corresponds to chromosomal order and location of expression. For example, anterior genes "turn on" earlier compared to those expressed in the posterior.
• D)The linear order of Hox genes along the chromosome, the anterior-posterior orientation of the embryo, and timing of expression for the genes in Hox clusters is observed only in Drosophila.
• E)Many of the genes in the mammalian Hox clusters have redundant or overlapping functions.

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