BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Chapter 8, Problem 13SA
Summary Introduction
Introduction:
Mutations can alter any part of DNA in a cell. Mutations that arise during formation of gametes can be passed to offspring. Mutations that alter DNA sequences may have harmful or lethal effects. Also, all mutations are not dangerous. They also give rise to variation in traits that can result in evolution.
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Chapter 8 Solutions
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
Ch. 8 - Which is not a nucleotide base in DNA? a. adenine...Ch. 8 - What are the base-pairing rules for DNA? a. A-G,...Ch. 8 - Similarities in ___________ are the basis of...Ch. 8 - One species DNA differs from others in its...Ch. 8 - In eukaryotic chromosomes, DNA wraps around...Ch. 8 - The chromosome number ________ . a. refers to a...Ch. 8 - Prob. 7SACh. 8 - DNA replication requires ________ . a. DNA...Ch. 8 - Energy that drives the attachment of a nucleotide...Ch. 8 - When DNA replication begins, _______ . a. the two...
Ch. 8 - The phrase 5to3 refers to the _________ . a....Ch. 8 - After DNA replication, a eukaryotic chromosome...Ch. 8 - Prob. 13SACh. 8 - _________ is an example of reproductive cloning....Ch. 8 - Match the terms appropriately. ___ nucleotide ___...Ch. 8 - Determine the complementary strand of DNA that...Ch. 8 - Woolly mammoths have been extinct for about 4,000...Ch. 8 - Xeroderma pigmentosum is an inherited disorder...
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- All mutations ________. a. result from radiation b. lead to evolution c. are caused by DNA damage d. change the DNA sequencearrow_forwardMutation (a) leads to adaptive evolutionary change (b) adds to the genetic variation of a population (c) is the result of genetic drift (d) almost always benefits the organism (e) a and barrow_forwardWhy are humans so genetically similar within our species? A. Humans are not very genetically similar to one another. B. Because humans evolved in one location (Africa) and we have existed as a species for very long time. C. Because humans evolved in multiple locations around the world at different times. D. Because humans evolved in one location (Africa) and we haven't existed as a species for very long.arrow_forward
- which term describes any ancient remains, impressions, or traces of an organism or traces of its activity that have been preserved in rocks or other mineral deposits in Earth’s crust? a. analogous feature b. homologous feature c. mutation d. fossilarrow_forwardWhy are humans so genetically similar within our species? A. Because humans evolved in multiple locations around the world at different times. B. Because humans evolved in one location (Africa) and we have existed as a species for very long time. C. Because humans evolved in one location (Africa) and we haven't existed as a species for very long. D. Humans are not very genetically similar to one another.arrow_forwardWhy is evolution considered a scientific theory? A. It is controversial B. There is not much edvidence to back it up C. Scientists are not really sure if evolution is still occuring today d. There is Lots of data to support evolution and no evidence that it does not occur e. it is not possible to really test whether evolution happensarrow_forward
- Some mutations, or changes in the sequence of DNA, do not have any effect on the characteristics of the organism.Why is this?arrow_forwardMutation is the only evolutionary mechanism that… a.is more important in eukaryotes than in prokaryotes b.introduces new alleles into the population c.has no effect on genetic evolution d.occurs frequently in all populationsarrow_forwardA researcher compares several species of maple tree by examining the amino acid sequence of a protein. The researcher discovers that the amino acid sequence differs in three locations depending on the species of tree. What can the researcher conclude based on this data? A. Maple trees are evolving rapidly. B. The different species have different morphological characteristics. C. The maple trees have been exposed to high levels of mutagens. D. The genetic makeup of the maple tree population has changed over time.arrow_forward
- Why are alternative scientific theories to evolution not taught in public school? a. more theories would confuse students b. there are no viable scientific alternatives c. it is against the law d. alternative scientific theories are suppressed by the science establishmentarrow_forwardWhich of the following does not apply to mutations?a. They occur to cause adaptive changes in response to the environment.b. They are usually either harmful or neutral.c. They are only inherited if they occur in a sperm or egg cell.d. They often occur when DNA is copied.arrow_forwardAll mutations .a. result from radiationb. lead to evolutionc. are caused by DNA damaged. change the DNA sequencearrow_forward
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Mitochondrial mutations; Author: Useful Genetics;https://www.youtube.com/watch?v=GvgXe-3RJeU;License: CC-BY