During the evolution of development in animals, it is found that many regulatory genes have been co-opted for the development of different structures, such as limbs or digits. This is an example of what current area of research?
What will be an ideal response?
evo-devo
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A bacterium that is capable of causing disease in an organism is called a...
a. pathogenic bacterium b. ediopathic bacterium c. osteopathic bacterium d. anypathic bacterium
The chief function of root hairs is to
A) decrease the anchoring power of roots. B) increase the surface area for efficient absorption of water and minerals. C) provide a direct passageway from the soil to the vascular cylinder.
Assuming three genes are linked, how many recombinant genotypes would you expect and at what frequency?
A) two recombinant genotypes, more frequent than expected by independent assortment B) four recombinant genotypes, more frequent than expected by independent assortment C) six recombinant genotypes, more frequent than expected by independent assortment D) four recombinant genotypes, less frequent than expected by independent assortment E) six recombinant genotypes, less frequent than expected by independent assortment
The following is the sequence of bases in the sense strand of a DNA segment and contains the beginning of a gene. DNA 3' A T A T T A C C A G G C A T G G A C C C C C G G G 5'
Based on this sequence, write the sequence of the anti-sense DNA strand and the mRNA. Label the 5' and 3' ends in your predicted sequences. The start codon in this organism is AUG. Indicate where the start codon is in your sequence. Why is the start codon important? Why does there have to be a specific start codon? What will be an ideal response?