BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Chapter 24, Problem 1A
Chimp and human DNA whole-genome sequences differ by about 1.23%. Determine which of the following explanations is most consistent is most consistent with the substantial differences in morphology and behavior between the two species.
a. It must be due largely to gene expression.
b. It must be due exclusively to environmental differences.
c. It cannot be explained with current genetic theory.
d. The different are caused by random effects during development.
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A. When Dr. Linda Fedigan conducted her studies on menopause, she collected data from the following sources:
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data collected on seven primate species.
b.
data collected on her studies of macaques.
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all of the above
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ethnographic data from traditional societies.
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A. What traits are controlled by the branching gene and fruitcase gene? And how were they determined to be major players in the development of maize?
B. Teosinte looks like a terrible plant to begin to domesticate for agricultural purposes. What hypothesis is put forth to explain farmers’ early interest in the plant?
C. Often successful domestication of a plant or animal is due to the fact that this involved just a few gene changes. In what situation can changes in just a few genes dramatically change an organism's entire appearance?
D. Who is Norman Borlaug?
Humans carry a variety of non-functional genetic sequences, called processed pseudogenes, in their DNA. we can estimate how long ago these sequences first appeared in the genomes of our ancestors. In humans, processed pseudogenes include the three options below which would be the least widespread among other primate species
a. alpha-enolase psi1 (11 million years old)
b. AS PSI 7 (16 million years old)
c. CALM II PSI3 (36 million years old)
Chapter 24 Solutions
BIOLOGY
Ch. 24.1 - Prob. 1LOCh. 24.1 - Prob. 2LOCh. 24.1 - Prob. 3LOCh. 24.2 - Prob. 1LOCh. 24.2 - Prob. 2LOCh. 24.2 - Prob. 3LOCh. 24.2 - Explain why genome size and genome number do not...Ch. 24.3 - Define the terms segmental duplication, genome...Ch. 24.3 - Prob. 2LOCh. 24.4 - Prob. 1LO
Ch. 24.4 - Prob. 2LOCh. 24.5 - Prob. 1LOCh. 24.5 - Prob. 2LOCh. 24.5 - Prob. 3LOCh. 24 - Prob. 1DACh. 24 - Prob. 1IQCh. 24 - Prob. 2IQCh. 24 - Prob. 3IQCh. 24 - Humans and pufferfish diverged from a common...Ch. 24 - Prob. 2UCh. 24 - Prob. 3UCh. 24 - Homologous genes in distantly related organisms...Ch. 24 - All of the following are believed to contribute to...Ch. 24 - What is the fate of most duplicated genes? a. Gene...Ch. 24 - Chimp and human DNA whole-genome sequences differ...Ch. 24 - Prob. 2ACh. 24 - Analyze the conclusion that the Medicago...Ch. 24 - Analyze why an herbicide that targets the...Ch. 24 - The FOX2 gene is associated with speech in human....Ch. 24 - One of the common misconceptions about sequencing...Ch. 24 - How does horizontal gene transfer (HGT) complicate...
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- Which of the following best explains the number of similarities between the amino acid sequences of the Drosophila Hedgehog protein and the Chicken Indian Hedgehog protein? O A. The Drosophila hedgehog gene evolved from hedgehogs, which are distantly related to birds. O B. Both genes evolved from a gene present in the last common ancestor of Drosphila and chickens, and the number of differences reflects the amount of time that has elapsed during the evolution of these two lineages. a During the evolution of Drosophila and chickens, a hedgehog like gene arose independently in each lineage, then the gene that arose in chickens diversified. A These genes are unrelated, and the fact that they are similar is only because the proteins need to have similar biochemical properties. They are unrelated because chickens don't have segments and Drosophila larvae don't have limb buds.arrow_forwardCertain species of blind fish living in perpetual darkness in the ocean depths have evolved from ancestors that could see. Research indicates that the brain centers for vision in these fish is degenerating, whereas the brain centers controlling other senses are enlarging. What might be the MOST probable reason for the loss of vision in these fish? O A. exposure to mutagens that caused the loss of vision B. progressive selection of genetic variants in the population leading to blindness as an evolutionary adaptation C. infection by cave-dwelling microorganisms that has led to degeneration of the eyes O D. extreme high pressure at the ocean depths causing a deterioration of visionarrow_forwardWhich of the following statements about molecular markersare true?A. All molecular markers are segments of DNA that carryspecific genes.B. A molecular marker is a segment of DNA that is found at aspecific location in a genome.C. We can follow the transmission of a molecular marker byanalyzing the phenotype (i.e., the physical characteristics)of offspring.D. We can follow the transmission of molecular markers usingmolecular techniques such as gel electrophoresis.E. An STS is a molecular marker.arrow_forward
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