Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Question
Chapter 20.4, Problem 2CC
Summary Introduction
To determine:
The relationship between hox genes and morphological complexity.
Introduction:
Hox genes are a part of homeobox genes. This was initially found in the drosophila species.
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Chapter 20 Solutions
Principles of Biology
Ch. 20.1 - Prob. 1CCCh. 20.1 - Prob. 1TYKCh. 20.1 - Prob. 2TYKCh. 20.2 - Prob. 1BCCh. 20.2 - Is this an example of a prezygotic or a...Ch. 20.2 - Is this an example of a prezygotic or a...Ch. 20.2 - Prob. 1TYKCh. 20.2 - Which of the following is not an example of a...Ch. 20.3 - Prob. 1BCCh. 20.3 - Prob. 1CC
Ch. 20.3 - Which of the following is an example of allopatric...Ch. 20.3 - Prob. 2TYKCh. 20.4 - Prob. 1CCCh. 20.4 - Prob. 2CCCh. 20.4 - Prob. 1TYKCh. 20 - Macroevolution refers to evolutionary changes that...Ch. 20 - Prob. 2TYCh. 20 - Prob. 3TYCh. 20 - Prob. 4TYCh. 20 - Prob. 5TYCh. 20 - Prob. 6TYCh. 20 - Prob. 7TYCh. 20 - Prob. 8TYCh. 20 - Prob. 9TYCh. 20 - Evolutionary changes in the rate or timing of...Ch. 20 - Prob. 1CCQCh. 20 - Compare and contrast different mechanisms of...Ch. 20 - A principle of biology is that populations of...Ch. 20 - Prob. 1CBQCh. 20 - Discuss the type of speciation (allopatric or...
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- Which gene family was found to control the development and differentiation of limbs in vertebrate lineages? A) Hox B) Sonic hedgehog C) Noggin D) Eyelessarrow_forwardHow might differential expression of and regulation by Hox genes contribute to mosaic evolution in which different segments of an animalbody plan evolve different morphologies?arrow_forwardHow do the Hox genes of vertebrates differ from those of cephalochordates?arrow_forward
- Which of the following is a synapomorphy for mammals? a)Lactation b)Limbs c)Circulatory system d)Amniotic eggarrow_forwardAn adult human has a flat face with a small jaw and large cranium. An adult chimpanzee has a large jaw and small cranium. Both juvenile chimps and humans have heads similar to adult humans. Which of the following is a reasonable explanation for this pattern? Group of answer choices A) genes that modify skull shape are not expressed in chimps during development B) head shape is controlled by cytoplasmic determinants C)genes that modify skull shape are not expressed in humans during development D) chimps and humans have completely different genes controlling the formation of the headarrow_forwardIs the inability to make vitamin C likely a homologous or analogous trait for humans and orangutans (both of which are simian primates)?arrow_forward
- How similar are the genomes of humans and chimpanzees? What genetic changes might be responsible for the large differences in the anatomy, physiology, and behavior of humans and chimpanzees?arrow_forwardWhat factors could be responsible for the size differences among modern vertebrate genomes?arrow_forwardWhich of the following structures is unique to mammals? Question 6 options: A) Primitive meninx B) Dura mater C) Pia mater D) Secondary meninxarrow_forward
- Below is a phylogenetic tree of flightless birds. Which species is the common ancestor, with shared characteristics to the flightless birds shown below? A) Great spotted kiwi B) Chicken C) Ostrich D) Greater rheaarrow_forwardWhy is it likely that Hox genes have played a major rolein the evolution of novel morphological forms?arrow_forwardMatch the term that best describes the different groups of primates. a)Gibbons and Siamangs b)Gorillas c)Bonobos d)Lemurs and Lorises e)Marmosets CHOOSE Small bodied apes that are mostly brachiators type of new world monkey with the ancestral trait of retained claws largest primates that are primarily vegetarian morphologically similar to chimpanzees; copulate throught female estrus cycle the primates with the most ancestral/ primitive traitsarrow_forward
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