is often a good indication of phylogenetic relatedness in phenotypes.Life-cycle patternsCleavage patternsO Gene expressionO Morphological similarity

The question asks for the best indication of phylogenetic relatedness in phenotypes. 1. Life-cycle…

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Human Biology (MindTap Course List)

11th Edition

ISBN:9781305112100

Author:Cecie Starr, Beverly McMillan

Publisher:Cecie Starr, Beverly McMillan

Chapter23: Principles Of Evolution

Section: Chapter Questions

Problem 4RQ

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On a phylogenetic tree, which term refers to lineages that diverged from the same place? sister taxa basal taxa rooted taxa dichotomous taxa
Similarities in ___________ are the basis of similarities in traits. a. karyotype c. the double helix b. DNA sequence d. chromosome number
In a cladistic analysis, a systematist groups together organisms that share: derived homologous traits. derived homoplastic traits. ancestral homologous traits. ancestral homoplastic traits. all of the above.
What does the trunk of the classic phylogenetic tree represent? single common ancestor pool of ancestral organisms new species old species
Through _______, a body part of an ancestor is modified differently in different lines of descent. a. homologous evolution b. morphological convergence c. adaptive divergence d. morphological divergence
A mutation that alters the embryonic expression pattern of an _______ may lead to major differnces in the adult form. a. derived trait c. homologous structure b. homeotic gene d. analogous strcuture
Choose the statement that is incorrect. a. Phylogeny helps us study the spread of viruses through human populations. b. DNA barcoding can identify an individual as belonging to a particular species. c. Lineages that are more distantly related have more similarities in the DNA sequence of their genomes. d. Nonconservative amino acid substitutions can cause drastic changes in phenotype.
All of the following data types can be used as evidence of shared ancestry except similarities in ________. a. amino acid sequences b. DNA sequences c. fossil morphologies d. embryonic development e. form due to convergence f. all are appropriate
Constructing a cladogram _______ . a. may involve parsimony analysis b. helps us rank species into taxa c. reveals convergent structures d. is a necessary part of DNA barcoding
All of the following data types can be used as evidence of shared ancestry except similarities in _______. a. amino acid sequences b. embryonic development c. DNA sequences d. fossil morphologies e. form due to convergent evolution
A monophyletic group is a ______. a. phylogenetic tree b. shared derived trait c. character state d. clade
What is the difference between micro- and macroevolution? Microevolution describes the evolution of small organisms, such as insects, while macroevolution describes the evolution of large organisms, like people and elephants Microevolution describes the evolution of microscopic entities, such as molecules and proteins, while macroevolution describes the evolution of whole organisms Microevolution describes the evolution of organisms in populations, while macroevolution describes the evolution of species over long periods of time Microevolution describes the evolution of organisms over their lifetimes, while macroevolution describes the evolution of organisms over multiple generations.

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is often a good indication of phylogenetic relatedness in phenotypes. Life-cycle patterns Cleavage patterns O Gene expression O Morphological similarity