Which derived characteristic would MOST likely explain the results from the genome analysis?   A. appearance of vascular tissue   B. appearance of pollen   C. appearance of monocots and dicots   D. appearance of flowers       Comparison of Lignin-Associated Genes Across Photosynthetic Organisms In a study comparing the genomes of photosynthetic organisms, scientists identified genes specific to the synthesis of lignin. The resulting data are presented in the table. Organism Group Approximate number of genes associated with an enzyme unique to lignin biosynthesis Phaeodactylum Diatoms 0 Volvox Green algae 0   A moss Bryophytes 12   Spike moss Lycophytes  38   Rice Monocots 55   Poplar tree Dicots 53

Concepts of Biology
1st Edition
ISBN:9781938168116
Author:Samantha Fowler, Rebecca Roush, James Wise
Publisher:Samantha Fowler, Rebecca Roush, James Wise
Chapter12: Diversity Of Life
Section: Chapter Questions
Problem 7RQ: Which best describes a branch point in a phylogenetic tree? a. a hypothesis b. new lineage c....
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Which derived characteristic would MOST likely explain the results from the genome analysis?

  •  
    A.

    appearance of vascular tissue

  •  
    B.

    appearance of pollen

  •  
    C.

    appearance of monocots and dicots

  •  
    D.

    appearance of flowers

 

 

 

Comparison of Lignin-Associated Genes Across Photosynthetic Organisms

In a study comparing the genomes of photosynthetic organisms, scientists identified genes specific to the synthesis of lignin. The resulting data are presented in the table.

Organism Group Approximate number of genes associated with an enzyme unique to lignin biosynthesis
Phaeodactylum Diatoms 0
Volvox Green algae
 A moss Bryophytes 12 
 Spike moss Lycophytes  38 
 Rice Monocots 55 
 Poplar tree Dicots

53 

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A. Appearance of vascular tissue
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