You are constructing a phylogeny of a hypothetical group of insects. Several of the species have a pattern of four veins on the forewing while another group of species has a pattern of six veins. The three outgroups in your analysis also have a pattern of four veins. From this you can conclude: O (a) the trait of having six veins is a synapomorphy O (b) the ancestral state is most likely six veins O (c) the group with four veins is monophyletic a and c are correct b and c are correct

Human Anatomy & Physiology (11th Edition)
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Author:Elaine N. Marieb, Katja N. Hoehn
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Chapter1: The Human Body: An Orientation
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You are constructing a phylogeny of a hypothetical group of insects. Several of the species have a
pattern of four veins on the forewing while another group of species has a pattern of six veins. The
three outgroups in your analysis also have a pattern of four veins. From this you can conclude:
(a) the trait of having six veins is a synapomorphy
(b) the ancestral state is most likely six veins
(c) the group with four veins is monophyletic
a and c are correct
b and c are correct
Transcribed Image Text:You are constructing a phylogeny of a hypothetical group of insects. Several of the species have a pattern of four veins on the forewing while another group of species has a pattern of six veins. The three outgroups in your analysis also have a pattern of four veins. From this you can conclude: (a) the trait of having six veins is a synapomorphy (b) the ancestral state is most likely six veins (c) the group with four veins is monophyletic a and c are correct b and c are correct
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